<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019fcdef-cf6d-74f1-a3bc-9b4cbdfe53c7,g:9f27a606-1f1c-4038-810e-8fe34ff841d1-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.lnw.com/role/Cover" xlink:type="simple" xlink:href="lnw-20260930.xsd#Cover"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_01a19da9-1b0f-79dc-8c0d-582fa911f060" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_01a19da9-1b0f-7dd7-8026-18c82d62b8c4" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_DocumentInformationLineItems_01a19da9-1b0f-79dc-8c0d-582fa911f060" xlink:to="loc_dei_DocumentInformationTable_01a19da9-1b0f-7dd7-8026-18c82d62b8c4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_01a19da9-1b0f-7875-94e1-3b690c203e74" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_01a19da9-1b0f-7dd7-8026-18c82d62b8c4" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_01a19da9-1b0f-7875-94e1-3b690c203e74" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_01a19da9-1b0f-7875-94e1-3b690c203e74_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_01a19da9-1b0f-7875-94e1-3b690c203e74" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_01a19da9-1b0f-7875-94e1-3b690c203e74_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_01a19da9-1b0f-73d1-9abf-ededdedf6115" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_01a19da9-1b0f-7875-94e1-3b690c203e74" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_01a19da9-1b0f-73d1-9abf-ededdedf6115" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_01a19da9-6f25-71f0-83f8-26416a1dc2d8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_01a19da9-1b0f-73d1-9abf-ededdedf6115" xlink:to="loc_us-gaap_SubsequentEventMember_01a19da9-6f25-71f0-83f8-26416a1dc2d8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_EntityCommonStockSharesHeldInTrust_01a19da9-1b0f-73d9-86ac-3937eb25f0c3" xlink:href="lnw-20260930.xsd#lnw_EntityCommonStockSharesHeldInTrust"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a19da9-1b0f-79dc-8c0d-582fa911f060" xlink:to="loc_lnw_EntityCommonStockSharesHeldInTrust_01a19da9-1b0f-73d9-86ac-3937eb25f0c3" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="simple" xlink:href="lnw-20260930.xsd#CONSOLIDATEDSTATEMENTSOFOPERATIONS"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019fcdef-d07a-7111-9cca-0645708fc7c4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019fcdef-d07a-7918-9c32-85675a290d7a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019fcdef-d07a-7111-9cca-0645708fc7c4" xlink:to="loc_us-gaap_StatementTable_019fcdef-d07a-7918-9c32-85675a290d7a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019fcdef-d07a-77e8-80a1-8b1173aff57a" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019fcdef-d07a-7918-9c32-85675a290d7a" xlink:to="loc_srt_ProductOrServiceAxis_019fcdef-d07a-77e8-80a1-8b1173aff57a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019fcdef-d07a-77e8-80a1-8b1173aff57a_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_019fcdef-d07a-77e8-80a1-8b1173aff57a" xlink:to="loc_srt_ProductsAndServicesDomain_019fcdef-d07a-77e8-80a1-8b1173aff57a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019fcdef-d07a-7ea1-9ed4-d002316504c1" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_019fcdef-d07a-77e8-80a1-8b1173aff57a" xlink:to="loc_srt_ProductsAndServicesDomain_019fcdef-d07a-7ea1-9ed4-d002316504c1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ServiceMember_019fcdef-d07a-70a4-ae48-547530472ffe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ServiceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fcdef-d07a-7ea1-9ed4-d002316504c1" xlink:to="loc_us-gaap_ServiceMember_019fcdef-d07a-70a4-ae48-547530472ffe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductMember_019fcdef-d07a-7751-9a5e-f86826db43c0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProductMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fcdef-d07a-7ea1-9ed4-d002316504c1" xlink:to="loc_us-gaap_ProductMember_019fcdef-d07a-7751-9a5e-f86826db43c0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesAbstract_019fcdef-d07a-79d6-9e2c-cbb12939bbf3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenuesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fcdef-d07a-7111-9cca-0645708fc7c4" xlink:to="loc_us-gaap_RevenuesAbstract_019fcdef-d07a-79d6-9e2c-cbb12939bbf3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019fcdef-d07a-7abc-8abf-9fa622cb5b2f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_019fcdef-d07a-79d6-9e2c-cbb12939bbf3" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019fcdef-d07a-7abc-8abf-9fa622cb5b2f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingCostsAndExpensesAbstract_019fcdef-d07a-7fb3-a479-d976050beb50" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingCostsAndExpensesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fcdef-d07a-7111-9cca-0645708fc7c4" xlink:to="loc_us-gaap_OperatingCostsAndExpensesAbstract_019fcdef-d07a-7fb3-a479-d976050beb50" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019fcdef-d07a-7ca5-894a-6db340628381" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingCostsAndExpensesAbstract_019fcdef-d07a-7fb3-a479-d976050beb50" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019fcdef-d07a-7ca5-894a-6db340628381" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019fcdef-d07a-774f-8540-e43251a2dfba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingCostsAndExpensesAbstract_019fcdef-d07a-7fb3-a479-d976050beb50" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019fcdef-d07a-774f-8540-e43251a2dfba" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_019fcdef-d07a-7c2d-a363-cbeaffdd5424" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingCostsAndExpensesAbstract_019fcdef-d07a-7fb3-a479-d976050beb50" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_019fcdef-d07a-7c2d-a363-cbeaffdd5424" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_019fcdef-d07a-7122-ba93-5b5164252859" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingCostsAndExpensesAbstract_019fcdef-d07a-7fb3-a479-d976050beb50" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_019fcdef-d07a-7122-ba93-5b5164252859" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_019fcdef-d07a-73fd-be5a-5a822628a0fd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingCostsAndExpensesAbstract_019fcdef-d07a-7fb3-a479-d976050beb50" xlink:to="loc_us-gaap_RestructuringCharges_019fcdef-d07a-73fd-be5a-5a822628a0fd" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019fcdef-d07a-7b11-890f-4728b04d6f32" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fcdef-d07a-7111-9cca-0645708fc7c4" xlink:to="loc_us-gaap_OperatingIncomeLoss_019fcdef-d07a-7b11-890f-4728b04d6f32" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_NonoperatingIncomeExpenseIncludingIncomeLossFromEquityMethodInvestmentsAbstract_019fcdef-d07a-76fc-a51a-778bd452a0d5" xlink:href="lnw-20260930.xsd#lnw_NonoperatingIncomeExpenseIncludingIncomeLossFromEquityMethodInvestmentsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fcdef-d07a-7111-9cca-0645708fc7c4" xlink:to="loc_lnw_NonoperatingIncomeExpenseIncludingIncomeLossFromEquityMethodInvestmentsAbstract_019fcdef-d07a-76fc-a51a-778bd452a0d5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_019fcdef-d07a-7ff7-8467-b44e2505fc2a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestIncomeExpenseNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lnw_NonoperatingIncomeExpenseIncludingIncomeLossFromEquityMethodInvestmentsAbstract_019fcdef-d07a-76fc-a51a-778bd452a0d5" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_019fcdef-d07a-7ff7-8467-b44e2505fc2a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_019fcdef-d07a-7f2c-8418-07b60648f657" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lnw_NonoperatingIncomeExpenseIncludingIncomeLossFromEquityMethodInvestmentsAbstract_019fcdef-d07a-76fc-a51a-778bd452a0d5" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_019fcdef-d07a-7f2c-8418-07b60648f657" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_019fcdef-d07a-7e6a-b9ba-8b92a3a8d7eb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lnw_NonoperatingIncomeExpenseIncludingIncomeLossFromEquityMethodInvestmentsAbstract_019fcdef-d07a-76fc-a51a-778bd452a0d5" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_019fcdef-d07a-7e6a-b9ba-8b92a3a8d7eb" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_NonoperatingIncomeExpenseIncludingIncomeLossFromEquityMethodInvestments_019fcdef-d07a-7630-8d69-60bf8823aeab" xlink:href="lnw-20260930.xsd#lnw_NonoperatingIncomeExpenseIncludingIncomeLossFromEquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lnw_NonoperatingIncomeExpenseIncludingIncomeLossFromEquityMethodInvestmentsAbstract_019fcdef-d07a-76fc-a51a-778bd452a0d5" xlink:to="loc_lnw_NonoperatingIncomeExpenseIncludingIncomeLossFromEquityMethodInvestments_019fcdef-d07a-7630-8d69-60bf8823aeab" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019fcdef-d07a-77e5-94f8-51349be30a52" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lnw_NonoperatingIncomeExpenseIncludingIncomeLossFromEquityMethodInvestmentsAbstract_019fcdef-d07a-76fc-a51a-778bd452a0d5" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019fcdef-d07a-77e5-94f8-51349be30a52" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019fcdef-d07a-7e2d-8bbc-52bcad8156be" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fcdef-d07a-7111-9cca-0645708fc7c4" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019fcdef-d07a-7e2d-8bbc-52bcad8156be" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019fcdef-d07a-7f89-a65a-3cb488358bfd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fcdef-d07a-7111-9cca-0645708fc7c4" xlink:to="loc_us-gaap_ProfitLoss_019fcdef-d07a-7f89-a65a-3cb488358bfd" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasicAbstract_019fcdef-d07a-723a-8988-7b75c828acd5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareBasicAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fcdef-d07a-7111-9cca-0645708fc7c4" xlink:to="loc_us-gaap_EarningsPerShareBasicAbstract_019fcdef-d07a-723a-8988-7b75c828acd5" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_019fcdef-d07a-7063-af2a-27f730dac4aa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_019fcdef-d07a-723a-8988-7b75c828acd5" xlink:to="loc_us-gaap_EarningsPerShareBasic_019fcdef-d07a-7063-af2a-27f730dac4aa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_019fcdef-d07a-73d1-bb8a-499eed32bfe1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_019fcdef-d07a-723a-8988-7b75c828acd5" xlink:to="loc_us-gaap_EarningsPerShareDiluted_019fcdef-d07a-73d1-bb8a-499eed32bfe1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_019fcdef-d07a-726a-982e-d7284f950260" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fcdef-d07a-7111-9cca-0645708fc7c4" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_019fcdef-d07a-726a-982e-d7284f950260" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019fcdef-d07a-7719-bc98-71a072016b1f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_019fcdef-d07a-726a-982e-d7284f950260" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019fcdef-d07a-7719-bc98-71a072016b1f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019fcdef-d07a-7b4f-b59a-1ac8a74bdf03" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_019fcdef-d07a-726a-982e-d7284f950260" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019fcdef-d07a-7b4f-b59a-1ac8a74bdf03" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/DescriptionoftheBusinessandSummaryofSignificantAccountingPoliciesGroverAcquisitionDetails" xlink:type="simple" xlink:href="lnw-20260930.xsd#DescriptionoftheBusinessandSummaryofSignificantAccountingPoliciesGroverAcquisitionDetails"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/DescriptionoftheBusinessandSummaryofSignificantAccountingPoliciesGroverAcquisitionDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_019fcdef-d07a-7c66-987a-16931766ef54" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019fcdef-d07a-700c-abff-782b97e3ed83" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019fcdef-d07a-7c66-987a-16931766ef54" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019fcdef-d07a-700c-abff-782b97e3ed83" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_019fcdef-d07a-7440-af43-ee96fe8d75c7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019fcdef-d07a-700c-abff-782b97e3ed83" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_019fcdef-d07a-7440-af43-ee96fe8d75c7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019fcdef-d07a-7440-af43-ee96fe8d75c7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_019fcdef-d07a-7440-af43-ee96fe8d75c7" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019fcdef-d07a-7440-af43-ee96fe8d75c7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019fcdef-d07a-7ede-a2ca-3bea7ad17c6b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_019fcdef-d07a-7440-af43-ee96fe8d75c7" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019fcdef-d07a-7ede-a2ca-3bea7ad17c6b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_GroverCharitableGamingMember_019fcdef-d07a-70bc-a01a-7d6d29f2c728" xlink:href="lnw-20260930.xsd#lnw_GroverCharitableGamingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019fcdef-d07a-7ede-a2ca-3bea7ad17c6b" xlink:to="loc_lnw_GroverCharitableGamingMember_019fcdef-d07a-70bc-a01a-7d6d29f2c728" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_019fcdef-d07a-745b-8424-df45bd9ff2f0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019fcdef-d07a-7c66-987a-16931766ef54" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_019fcdef-d07a-745b-8424-df45bd9ff2f0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredAbstract_019fcdef-d07a-7a06-8633-9db05eca0cc5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationConsiderationTransferredAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019fcdef-d07a-7c66-987a-16931766ef54" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredAbstract_019fcdef-d07a-7a06-8633-9db05eca0cc5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh_019fcdef-d07a-72fa-8351-6c60f9f35792" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferredAbstract_019fcdef-d07a-7a06-8633-9db05eca0cc5" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh_019fcdef-d07a-72fa-8351-6c60f9f35792" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/RevenueRecognitionSummaryofRevenuebyTypeDetails" xlink:type="simple" xlink:href="lnw-20260930.xsd#RevenueRecognitionSummaryofRevenuebyTypeDetails"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/RevenueRecognitionSummaryofRevenuebyTypeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019fcdef-d07a-7df0-8d28-de43139e4324" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fcdef-d07a-7aca-a5b2-015692d8ed9e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fcdef-d07a-7df0-8d28-de43139e4324" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fcdef-d07a-7aca-a5b2-015692d8ed9e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019fcdef-d07a-76cb-9938-12c66a9fac17" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fcdef-d07a-7aca-a5b2-015692d8ed9e" xlink:to="loc_srt_ProductOrServiceAxis_019fcdef-d07a-76cb-9938-12c66a9fac17" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019fcdef-d07a-76cb-9938-12c66a9fac17_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_019fcdef-d07a-76cb-9938-12c66a9fac17" xlink:to="loc_srt_ProductsAndServicesDomain_019fcdef-d07a-76cb-9938-12c66a9fac17_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019fcdef-d07a-78e9-97d4-15f6ea4a6d78" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_019fcdef-d07a-76cb-9938-12c66a9fac17" xlink:to="loc_srt_ProductsAndServicesDomain_019fcdef-d07a-78e9-97d4-15f6ea4a6d78" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_GamingOperationsMember_019fcdef-d07a-7e16-a30a-eaacbd34f1f7" xlink:href="lnw-20260930.xsd#lnw_GamingOperationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fcdef-d07a-78e9-97d4-15f6ea4a6d78" xlink:to="loc_lnw_GamingOperationsMember_019fcdef-d07a-7e16-a30a-eaacbd34f1f7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_GamingMachineSalesMember_019fcdef-d07a-7497-a69e-567f77bfae9b" xlink:href="lnw-20260930.xsd#lnw_GamingMachineSalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fcdef-d07a-78e9-97d4-15f6ea4a6d78" xlink:to="loc_lnw_GamingMachineSalesMember_019fcdef-d07a-7497-a69e-567f77bfae9b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_GamingSystemsMember_019fcdef-d07a-78a7-ae58-6ece0096aa7c" xlink:href="lnw-20260930.xsd#lnw_GamingSystemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fcdef-d07a-78e9-97d4-15f6ea4a6d78" xlink:to="loc_lnw_GamingSystemsMember_019fcdef-d07a-78a7-ae58-6ece0096aa7c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_TableProductsMember_019fcdef-d07a-7a98-819d-a2b1c534df89" xlink:href="lnw-20260930.xsd#lnw_TableProductsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fcdef-d07a-78e9-97d4-15f6ea4a6d78" xlink:to="loc_lnw_TableProductsMember_019fcdef-d07a-7a98-819d-a2b1c534df89" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_ThirdPartyPlatformsAndOtherMember_019fcdef-d07a-7f13-a7be-0fad05d2ece6" xlink:href="lnw-20260930.xsd#lnw_ThirdPartyPlatformsAndOtherMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fcdef-d07a-78e9-97d4-15f6ea4a6d78" xlink:to="loc_lnw_ThirdPartyPlatformsAndOtherMember_019fcdef-d07a-7f13-a7be-0fad05d2ece6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_DirectToConsumerPlatformsMember_019fcdef-d07a-7abf-bca7-fa933713f3e0" xlink:href="lnw-20260930.xsd#lnw_DirectToConsumerPlatformsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fcdef-d07a-78e9-97d4-15f6ea4a6d78" xlink:to="loc_lnw_DirectToConsumerPlatformsMember_019fcdef-d07a-7abf-bca7-fa933713f3e0" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019fcdef-d07a-735b-9c48-f33231023728" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fcdef-d07a-7aca-a5b2-015692d8ed9e" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019fcdef-d07a-735b-9c48-f33231023728" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fcdef-d07a-735b-9c48-f33231023728_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fcdef-d07a-735b-9c48-f33231023728" xlink:to="loc_us-gaap_SegmentDomain_019fcdef-d07a-735b-9c48-f33231023728_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fcdef-d07a-7a53-8fed-8d7431d31c3f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fcdef-d07a-735b-9c48-f33231023728" xlink:to="loc_us-gaap_SegmentDomain_019fcdef-d07a-7a53-8fed-8d7431d31c3f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_GamingGroupMember_019fcdef-d07a-7460-a6c3-38673b6879b9" xlink:href="lnw-20260930.xsd#lnw_GamingGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fcdef-d07a-7a53-8fed-8d7431d31c3f" xlink:to="loc_lnw_GamingGroupMember_019fcdef-d07a-7460-a6c3-38673b6879b9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_SciPlayMember_019fcdef-d07a-76e0-96e1-8366e6df366e" xlink:href="lnw-20260930.xsd#lnw_SciPlayMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fcdef-d07a-7a53-8fed-8d7431d31c3f" xlink:to="loc_lnw_SciPlayMember_019fcdef-d07a-76e0-96e1-8366e6df366e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_IGamingBusinessSegmentMember_01a19d6b-fea2-7c72-b3d7-6bf3ea7ee227" xlink:href="lnw-20260930.xsd#lnw_IGamingBusinessSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fcdef-d07a-7a53-8fed-8d7431d31c3f" xlink:to="loc_lnw_IGamingBusinessSegmentMember_01a19d6b-fea2-7c72-b3d7-6bf3ea7ee227" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019fcdef-d07a-7215-929c-e6a8074500dc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fcdef-d07a-7df0-8d28-de43139e4324" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019fcdef-d07a-7215-929c-e6a8074500dc" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/ReportableSegmentsDetails" xlink:type="simple" xlink:href="lnw-20260930.xsd#ReportableSegmentsDetails"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/ReportableSegmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019fcdef-d07a-7db8-8948-3febf373a41f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fcdef-d07a-77a9-ab20-c12a0423704a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fcdef-d07a-7db8-8948-3febf373a41f" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fcdef-d07a-77a9-ab20-c12a0423704a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_019fcdef-d07a-76a1-825f-43d7ee224e04" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fcdef-d07a-77a9-ab20-c12a0423704a" xlink:to="loc_srt_ConsolidationItemsAxis_019fcdef-d07a-76a1-825f-43d7ee224e04" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019fcdef-d07a-76a1-825f-43d7ee224e04_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_019fcdef-d07a-76a1-825f-43d7ee224e04" xlink:to="loc_srt_ConsolidationItemsDomain_019fcdef-d07a-76a1-825f-43d7ee224e04_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019fcdef-d07a-7a64-b14a-8034c55a36f1" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_019fcdef-d07a-76a1-825f-43d7ee224e04" xlink:to="loc_srt_ConsolidationItemsDomain_019fcdef-d07a-7a64-b14a-8034c55a36f1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_019fcdef-d07a-77f7-81f1-c06613aa3dc8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_019fcdef-d07a-7a64-b14a-8034c55a36f1" xlink:to="loc_us-gaap_OperatingSegmentsMember_019fcdef-d07a-77f7-81f1-c06613aa3dc8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_CorporateAndReconcilingItemsMember_019fcdef-d07a-7c60-8753-fd24de797bee" xlink:href="lnw-20260930.xsd#lnw_CorporateAndReconcilingItemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_019fcdef-d07a-7a64-b14a-8034c55a36f1" xlink:to="loc_lnw_CorporateAndReconcilingItemsMember_019fcdef-d07a-7c60-8753-fd24de797bee" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019fcdef-d07a-72d4-9dee-8eea15303dbc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fcdef-d07a-77a9-ab20-c12a0423704a" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019fcdef-d07a-72d4-9dee-8eea15303dbc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fcdef-d07a-72d4-9dee-8eea15303dbc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fcdef-d07a-72d4-9dee-8eea15303dbc" xlink:to="loc_us-gaap_SegmentDomain_019fcdef-d07a-72d4-9dee-8eea15303dbc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fcdef-d07a-7ab2-a463-e9dbf54b7e33" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fcdef-d07a-72d4-9dee-8eea15303dbc" xlink:to="loc_us-gaap_SegmentDomain_019fcdef-d07a-7ab2-a463-e9dbf54b7e33" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_GamingGroupMember_019fcdef-d07a-7177-8aa0-1cace218da63" xlink:href="lnw-20260930.xsd#lnw_GamingGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fcdef-d07a-7ab2-a463-e9dbf54b7e33" xlink:to="loc_lnw_GamingGroupMember_019fcdef-d07a-7177-8aa0-1cace218da63" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_SciPlayMember_019fcdef-d07a-7707-9092-92564b8ba904" xlink:href="lnw-20260930.xsd#lnw_SciPlayMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fcdef-d07a-7ab2-a463-e9dbf54b7e33" xlink:to="loc_lnw_SciPlayMember_019fcdef-d07a-7707-9092-92564b8ba904" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_IGamingBusinessSegmentMember_019fcdef-d07a-7e44-9b61-f4504df35c50" xlink:href="lnw-20260930.xsd#lnw_IGamingBusinessSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fcdef-d07a-7ab2-a463-e9dbf54b7e33" xlink:to="loc_lnw_IGamingBusinessSegmentMember_019fcdef-d07a-7e44-9b61-f4504df35c50" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportableSegments_019fcdef-d07a-76d7-9d97-54cceb29debe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfReportableSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fcdef-d07a-7db8-8948-3febf373a41f" xlink:to="loc_us-gaap_NumberOfReportableSegments_019fcdef-d07a-76d7-9d97-54cceb29debe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019fcdef-d07a-7b61-942f-4179fa5be523" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fcdef-d07a-7db8-8948-3febf373a41f" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019fcdef-d07a-7b61-942f-4179fa5be523" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019fcdef-d07a-7aef-b91f-d38ee8fc2359" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fcdef-d07a-7db8-8948-3febf373a41f" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019fcdef-d07a-7aef-b91f-d38ee8fc2359" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_PayrollAndRelatedExpenses_019fcdef-d07a-7eee-8060-69df9431291c" xlink:href="lnw-20260930.xsd#lnw_PayrollAndRelatedExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fcdef-d07a-7db8-8948-3febf373a41f" xlink:to="loc_lnw_PayrollAndRelatedExpenses_019fcdef-d07a-7eee-8060-69df9431291c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_ReconcilingItemsToIncomeLossBeforeIncomeTaxDARestructuringInterestExpenseDebtFinancingAndRemeasurementChangeInFairValueOfInvestmentsAndStockBasedCompensation_019fcdef-d07a-72da-a144-916506ef98c5" xlink:href="lnw-20260930.xsd#lnw_ReconcilingItemsToIncomeLossBeforeIncomeTaxDARestructuringInterestExpenseDebtFinancingAndRemeasurementChangeInFairValueOfInvestmentsAndStockBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fcdef-d07a-7db8-8948-3febf373a41f" xlink:to="loc_lnw_ReconcilingItemsToIncomeLossBeforeIncomeTaxDARestructuringInterestExpenseDebtFinancingAndRemeasurementChangeInFairValueOfInvestmentsAndStockBasedCompensation_019fcdef-d07a-72da-a144-916506ef98c5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_IncomeLossBeforeIncomeTaxDepreciationAndAmortizationRestructuringInterestExpenseDebtFinancingAndRemeasurementChangeInFairValueOfInvestmentsAndStockBasedCompensation_019fcdef-d07a-7e69-91e5-bb37f881b700" xlink:href="lnw-20260930.xsd#lnw_IncomeLossBeforeIncomeTaxDepreciationAndAmortizationRestructuringInterestExpenseDebtFinancingAndRemeasurementChangeInFairValueOfInvestmentsAndStockBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fcdef-d07a-7db8-8948-3febf373a41f" xlink:to="loc_lnw_IncomeLossBeforeIncomeTaxDepreciationAndAmortizationRestructuringInterestExpenseDebtFinancingAndRemeasurementChangeInFairValueOfInvestmentsAndStockBasedCompensation_019fcdef-d07a-7e69-91e5-bb37f881b700" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_019fcdef-d07a-7568-a383-d35e471d89e0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fcdef-d07a-7db8-8948-3febf373a41f" xlink:to="loc_us-gaap_RestructuringCharges_019fcdef-d07a-7568-a383-d35e471d89e0" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_019fcdef-d07a-70d4-a5d0-ab57319f65f2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fcdef-d07a-7db8-8948-3febf373a41f" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_019fcdef-d07a-70d4-a5d0-ab57319f65f2" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_019fcdef-d07a-701c-82ef-b3ad2dbd40b6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestIncomeExpenseNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fcdef-d07a-7db8-8948-3febf373a41f" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_019fcdef-d07a-701c-82ef-b3ad2dbd40b6" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_019fcdef-d07a-7f10-8864-cb52d40817dd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fcdef-d07a-7db8-8948-3febf373a41f" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_019fcdef-d07a-7f10-8864-cb52d40817dd" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_OtherNonoperatingIncomeExpenseGainLossOnDispositionOfAssetsIncludingRealizedAndUnrealizedGainLossOnForeignCurrencyExchange_019fcdef-d07a-74ec-a614-6516cc273820" xlink:href="lnw-20260930.xsd#lnw_OtherNonoperatingIncomeExpenseGainLossOnDispositionOfAssetsIncludingRealizedAndUnrealizedGainLossOnForeignCurrencyExchange"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fcdef-d07a-7db8-8948-3febf373a41f" xlink:to="loc_lnw_OtherNonoperatingIncomeExpenseGainLossOnDispositionOfAssetsIncludingRealizedAndUnrealizedGainLossOnForeignCurrencyExchange_019fcdef-d07a-74ec-a614-6516cc273820" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_019fcdef-d07a-7e0c-bf78-0465063d4607" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fcdef-d07a-7db8-8948-3febf373a41f" xlink:to="loc_us-gaap_ShareBasedCompensation_019fcdef-d07a-7e0c-bf78-0465063d4607" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019fcdef-d07a-74b1-a078-26973e6c8103" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fcdef-d07a-7db8-8948-3febf373a41f" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019fcdef-d07a-74b1-a078-26973e6c8103" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentExpenditureAdditionToLongLivedAssets_019fcdef-d07a-7041-9dfc-e362454e840b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentExpenditureAdditionToLongLivedAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fcdef-d07a-7db8-8948-3febf373a41f" xlink:to="loc_us-gaap_SegmentExpenditureAdditionToLongLivedAssets_019fcdef-d07a-7041-9dfc-e362454e840b" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019fcdef-d07a-77ed-8c52-45556f2c3d8a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fcdef-d07a-7db8-8948-3febf373a41f" xlink:to="loc_us-gaap_Assets_019fcdef-d07a-77ed-8c52-45556f2c3d8a" xlink:type="arc" order="14"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/RestructuringandOtherDetails" xlink:type="simple" xlink:href="lnw-20260930.xsd#RestructuringandOtherDetails"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/RestructuringandOtherDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_019fcdef-d07a-762a-a606-f82b5f2e279e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019fcdef-d07a-713c-8e57-b836ca72c7d6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_019fcdef-d07a-762a-a606-f82b5f2e279e" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019fcdef-d07a-713c-8e57-b836ca72c7d6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_019fcdef-d07a-770a-b593-04d558060843" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCostAndReserveAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019fcdef-d07a-713c-8e57-b836ca72c7d6" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_019fcdef-d07a-770a-b593-04d558060843" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_019fcdef-d07a-770a-b593-04d558060843_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_019fcdef-d07a-770a-b593-04d558060843" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_019fcdef-d07a-770a-b593-04d558060843_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_019fcdef-d07a-7592-825a-aec923630483" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_019fcdef-d07a-770a-b593-04d558060843" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_019fcdef-d07a-7592-825a-aec923630483" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeSeveranceMember_019fcdef-d07a-75c7-953a-12be2b743fa8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeSeveranceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_019fcdef-d07a-7592-825a-aec923630483" xlink:to="loc_us-gaap_EmployeeSeveranceMember_019fcdef-d07a-75c7-953a-12be2b743fa8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_LegalAndRelatedMember_019fcdef-d07a-77ab-a4cf-b218899cf7be" xlink:href="lnw-20260930.xsd#lnw_LegalAndRelatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_019fcdef-d07a-7592-825a-aec923630483" xlink:to="loc_lnw_LegalAndRelatedMember_019fcdef-d07a-77ab-a4cf-b218899cf7be" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_StrategicReviewAndRelatedCostsMember_019fcdef-d07a-7520-800c-165e00e1f816" xlink:href="lnw-20260930.xsd#lnw_StrategicReviewAndRelatedCostsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_019fcdef-d07a-7592-825a-aec923630483" xlink:to="loc_lnw_StrategicReviewAndRelatedCostsMember_019fcdef-d07a-7520-800c-165e00e1f816" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_ContingentConsiderationAdjustmentMember_019fcdef-d07a-7d4e-9929-dac10f1c4501" xlink:href="lnw-20260930.xsd#lnw_ContingentConsiderationAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_019fcdef-d07a-7592-825a-aec923630483" xlink:to="loc_lnw_ContingentConsiderationAdjustmentMember_019fcdef-d07a-7d4e-9929-dac10f1c4501" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_RestructuringIntegrationAndOtherMember_019fcdef-d07a-7cec-99c0-2026dac09056" xlink:href="lnw-20260930.xsd#lnw_RestructuringIntegrationAndOtherMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_019fcdef-d07a-7592-825a-aec923630483" xlink:to="loc_lnw_RestructuringIntegrationAndOtherMember_019fcdef-d07a-7cec-99c0-2026dac09056" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_019fcdef-d07a-76e6-910a-3b874b5ecc9f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_019fcdef-d07a-762a-a606-f82b5f2e279e" xlink:to="loc_us-gaap_RestructuringCharges_019fcdef-d07a-76e6-910a-3b874b5ecc9f" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/AccountsReceivableandNotesReceivableandCreditQualityofReceivablesComponentsofTotalNotesReceivableNetDetails" xlink:type="simple" xlink:href="lnw-20260930.xsd#AccountsReceivableandNotesReceivableandCreditQualityofReceivablesComponentsofTotalNotesReceivableNetDetails"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/AccountsReceivableandNotesReceivableandCreditQualityofReceivablesComponentsofTotalNotesReceivableNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_019fcdef-d07a-7b30-9636-ece0560bcdc6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_019fcdef-d07a-74dc-8e0d-116359664677" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfFinancingReceivablesPastDueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_019fcdef-d07a-7b30-9636-ece0560bcdc6" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_019fcdef-d07a-74dc-8e0d-116359664677" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_019fcdef-d07a-72cf-9201-e5fe2b2e54e8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivablesPeriodPastDueAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_019fcdef-d07a-74dc-8e0d-116359664677" xlink:to="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_019fcdef-d07a-72cf-9201-e5fe2b2e54e8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fcdef-d07a-72cf-9201-e5fe2b2e54e8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivablesPeriodPastDueDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_019fcdef-d07a-72cf-9201-e5fe2b2e54e8" xlink:to="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fcdef-d07a-72cf-9201-e5fe2b2e54e8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fcdef-d07a-75db-8b25-5245814bb6e0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivablesPeriodPastDueDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_019fcdef-d07a-72cf-9201-e5fe2b2e54e8" xlink:to="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fcdef-d07a-75db-8b25-5245814bb6e0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember_019fcdef-d07a-7ac6-b9ab-d6ae222e18b3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fcdef-d07a-75db-8b25-5245814bb6e0" xlink:to="loc_us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember_019fcdef-d07a-7ac6-b9ab-d6ae222e18b3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019fcdef-d07a-7523-ade4-7b7003fa8038" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_019fcdef-d07a-74dc-8e0d-116359664677" xlink:to="loc_srt_StatementGeographicalAxis_019fcdef-d07a-7523-ade4-7b7003fa8038" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019fcdef-d07a-7523-ade4-7b7003fa8038_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019fcdef-d07a-7523-ade4-7b7003fa8038" xlink:to="loc_srt_SegmentGeographicalDomain_019fcdef-d07a-7523-ade4-7b7003fa8038_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019fcdef-d07a-7e5b-9e27-2b9904244cc7" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019fcdef-d07a-7523-ade4-7b7003fa8038" xlink:to="loc_srt_SegmentGeographicalDomain_019fcdef-d07a-7e5b-9e27-2b9904244cc7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_UnitedStatesAndCanadaMember_019fcdef-d07a-7283-9b17-f555be242d1c" xlink:href="lnw-20260930.xsd#lnw_UnitedStatesAndCanadaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019fcdef-d07a-7e5b-9e27-2b9904244cc7" xlink:to="loc_lnw_UnitedStatesAndCanadaMember_019fcdef-d07a-7283-9b17-f555be242d1c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_InternationalMember_019fcdef-d07a-7019-96c1-a3e3b586aac7" xlink:href="lnw-20260930.xsd#lnw_InternationalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019fcdef-d07a-7e5b-9e27-2b9904244cc7" xlink:to="loc_lnw_InternationalMember_019fcdef-d07a-7019-96c1-a3e3b586aac7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_019fcdef-d07a-7985-8430-376a8d79a14d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_019fcdef-d07a-74dc-8e0d-116359664677" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_019fcdef-d07a-7985-8430-376a8d79a14d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_019fcdef-d07a-7985-8430-376a8d79a14d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_019fcdef-d07a-7985-8430-376a8d79a14d" xlink:to="loc_us-gaap_ReceivableTypeDomain_019fcdef-d07a-7985-8430-376a8d79a14d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_019fcdef-d07a-7bbf-aa9f-77a51dbbe7df" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_019fcdef-d07a-7985-8430-376a8d79a14d" xlink:to="loc_us-gaap_ReceivableTypeDomain_019fcdef-d07a-7bbf-aa9f-77a51dbbe7df" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesReceivableMember_019fcdef-d07a-75e4-a3be-5610a409dbc3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NotesReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_019fcdef-d07a-7bbf-aa9f-77a51dbbe7df" xlink:to="loc_us-gaap_NotesReceivableMember_019fcdef-d07a-75e4-a3be-5610a409dbc3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesReceivableNetAbstract_019fcdef-d07a-7987-8f56-2afc21742029" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NotesReceivableNetAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_019fcdef-d07a-7b30-9636-ece0560bcdc6" xlink:to="loc_us-gaap_NotesReceivableNetAbstract_019fcdef-d07a-7987-8f56-2afc21742029" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesReceivableGross_019fcdef-d07a-74b1-b047-80e4e89ea6b6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NotesReceivableGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NotesReceivableNetAbstract_019fcdef-d07a-7987-8f56-2afc21742029" xlink:to="loc_us-gaap_NotesReceivableGross_019fcdef-d07a-74b1-b047-80e4e89ea6b6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLosses_019fcdef-d07a-7931-a85d-bba754053ae7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableAllowanceForCreditLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NotesReceivableNetAbstract_019fcdef-d07a-7987-8f56-2afc21742029" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLosses_019fcdef-d07a-7931-a85d-bba754053ae7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesReceivableNet_019fcdef-d07a-787d-bd47-4469805a6eac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NotesReceivableNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NotesReceivableNetAbstract_019fcdef-d07a-7987-8f56-2afc21742029" xlink:to="loc_us-gaap_NotesReceivableNet_019fcdef-d07a-787d-bd47-4469805a6eac" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_FinancingReceivableAllowanceforCreditLossesEqualtoGreaterthan90DaysPastDue_019fcdef-d07a-76d6-a3a7-935778afbccf" xlink:href="lnw-20260930.xsd#lnw_FinancingReceivableAllowanceforCreditLossesEqualtoGreaterthan90DaysPastDue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NotesReceivableNetAbstract_019fcdef-d07a-7987-8f56-2afc21742029" xlink:to="loc_lnw_FinancingReceivableAllowanceforCreditLossesEqualtoGreaterthan90DaysPastDue_019fcdef-d07a-76d6-a3a7-935778afbccf" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_FinancingReceivableNetRecordedInvestmentEqualtoGreaterthan90DaysPastDue_019fcdef-d07a-7199-a95e-e10ef6a4bdb4" xlink:href="lnw-20260930.xsd#lnw_FinancingReceivableNetRecordedInvestmentEqualtoGreaterthan90DaysPastDue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NotesReceivableNetAbstract_019fcdef-d07a-7987-8f56-2afc21742029" xlink:to="loc_lnw_FinancingReceivableNetRecordedInvestmentEqualtoGreaterthan90DaysPastDue_019fcdef-d07a-7199-a95e-e10ef6a4bdb4" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForLoanLeaseAndOtherLosses_019fcdef-d07a-701f-b22c-fa52ee98a001" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProvisionForLoanLeaseAndOtherLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_019fcdef-d07a-7b30-9636-ece0560bcdc6" xlink:to="loc_us-gaap_ProvisionForLoanLeaseAndOtherLosses_019fcdef-d07a-701f-b22c-fa52ee98a001" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_FinancingReceivableAllowanceforCreditLossesRecoveriesAndWriteDownsNet_019fcdef-d07a-7a90-aea6-dfcf49f36fdc" xlink:href="lnw-20260930.xsd#lnw_FinancingReceivableAllowanceforCreditLossesRecoveriesAndWriteDownsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_019fcdef-d07a-7b30-9636-ece0560bcdc6" xlink:to="loc_lnw_FinancingReceivableAllowanceforCreditLossesRecoveriesAndWriteDownsNet_019fcdef-d07a-7a90-aea6-dfcf49f36fdc" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/AccountsReceivableandNotesReceivableandCreditQualityofReceivablesAllowanceforNotesReceivableDetails" xlink:type="simple" xlink:href="lnw-20260930.xsd#AccountsReceivableandNotesReceivableandCreditQualityofReceivablesAllowanceforNotesReceivableDetails"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/AccountsReceivableandNotesReceivableandCreditQualityofReceivablesAllowanceforNotesReceivableDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fcdef-d07a-73e7-babc-b48292ba7c91" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_019fcdef-d07a-77d2-b2e5-5d4089549a34" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fcdef-d07a-73e7-babc-b48292ba7c91" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_019fcdef-d07a-77d2-b2e5-5d4089549a34" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019fcdef-d07a-77c3-95f1-802efb21f00a" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_019fcdef-d07a-77d2-b2e5-5d4089549a34" xlink:to="loc_srt_StatementGeographicalAxis_019fcdef-d07a-77c3-95f1-802efb21f00a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019fcdef-d07a-77c3-95f1-802efb21f00a_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019fcdef-d07a-77c3-95f1-802efb21f00a" xlink:to="loc_srt_SegmentGeographicalDomain_019fcdef-d07a-77c3-95f1-802efb21f00a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019fcdef-d07a-7895-9757-a4683d38e56d" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019fcdef-d07a-77c3-95f1-802efb21f00a" xlink:to="loc_srt_SegmentGeographicalDomain_019fcdef-d07a-7895-9757-a4683d38e56d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_UnitedStatesAndCanadaMember_019fcdef-d07a-727f-8e92-19f178bdb0e5" xlink:href="lnw-20260930.xsd#lnw_UnitedStatesAndCanadaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019fcdef-d07a-7895-9757-a4683d38e56d" xlink:to="loc_lnw_UnitedStatesAndCanadaMember_019fcdef-d07a-727f-8e92-19f178bdb0e5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_InternationalMember_019fcdef-d07a-7227-ae93-36cc5562476c" xlink:href="lnw-20260930.xsd#lnw_InternationalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019fcdef-d07a-7895-9757-a4683d38e56d" xlink:to="loc_lnw_InternationalMember_019fcdef-d07a-7227-ae93-36cc5562476c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_019fcdef-d07a-723b-923a-be5410904617" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivablesPeriodPastDueAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_019fcdef-d07a-77d2-b2e5-5d4089549a34" xlink:to="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_019fcdef-d07a-723b-923a-be5410904617" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fcdef-d07a-723b-923a-be5410904617_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivablesPeriodPastDueDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_019fcdef-d07a-723b-923a-be5410904617" xlink:to="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fcdef-d07a-723b-923a-be5410904617_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fcdef-d07a-7b14-80c6-a9e50e120556" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivablesPeriodPastDueDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_019fcdef-d07a-723b-923a-be5410904617" xlink:to="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fcdef-d07a-7b14-80c6-a9e50e120556" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember_019fcdef-d07a-7ae5-aa36-412682599d7b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fcdef-d07a-7b14-80c6-a9e50e120556" xlink:to="loc_us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember_019fcdef-d07a-7ae5-aa36-412682599d7b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_019fcdef-d07a-787c-86c7-acfba1e740cf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fcdef-d07a-73e7-babc-b48292ba7c91" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_019fcdef-d07a-787c-86c7-acfba1e740cf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLosses_019fcdef-d07a-76b7-b6a3-5f5018911426" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableAllowanceForCreditLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_019fcdef-d07a-787c-86c7-acfba1e740cf" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLosses_019fcdef-d07a-76b7-b6a3-5f5018911426" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForLoanLeaseAndOtherLosses_019fcdef-d07a-7326-a399-2e4257027d08" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProvisionForLoanLeaseAndOtherLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_019fcdef-d07a-787c-86c7-acfba1e740cf" xlink:to="loc_us-gaap_ProvisionForLoanLeaseAndOtherLosses_019fcdef-d07a-7326-a399-2e4257027d08" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_FinancingReceivableAllowanceforCreditLossesRecoveriesAndWriteDownsNet_019fcdef-d07a-7d7b-91c3-39475fd4f0d9" xlink:href="lnw-20260930.xsd#lnw_FinancingReceivableAllowanceforCreditLossesRecoveriesAndWriteDownsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_019fcdef-d07a-787c-86c7-acfba1e740cf" xlink:to="loc_lnw_FinancingReceivableAllowanceforCreditLossesRecoveriesAndWriteDownsNet_019fcdef-d07a-7d7b-91c3-39475fd4f0d9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLosses_019fcdef-d07a-735b-ba93-e65cb893d349" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableAllowanceForCreditLosses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePercentPastDue1_019fcdef-d07a-713f-927f-8b8b0274d40e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivablePercentPastDue1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fcdef-d07a-73e7-babc-b48292ba7c91" xlink:to="loc_us-gaap_FinancingReceivablePercentPastDue1_019fcdef-d07a-713f-927f-8b8b0274d40e" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/AccountsReceivableandNotesReceivableandCreditQualityofReceivablesAdditionalInformationDetails" xlink:type="simple" xlink:href="lnw-20260930.xsd#AccountsReceivableandNotesReceivableandCreditQualityofReceivablesAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/AccountsReceivableandNotesReceivableandCreditQualityofReceivablesAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019fcdef-d07a-7d85-8fac-b50f733ccb95" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_019fcdef-d07a-7c6e-a047-3388b480d3f2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019fcdef-d07a-7d85-8fac-b50f733ccb95" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_019fcdef-d07a-7c6e-a047-3388b480d3f2" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_019fcdef-d07a-7bb9-b53d-638310097a4d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivablesPeriodPastDueAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_019fcdef-d07a-7c6e-a047-3388b480d3f2" xlink:to="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_019fcdef-d07a-7bb9-b53d-638310097a4d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fcdef-d07a-7bb9-b53d-638310097a4d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivablesPeriodPastDueDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_019fcdef-d07a-7bb9-b53d-638310097a4d" xlink:to="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fcdef-d07a-7bb9-b53d-638310097a4d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fcdef-d07a-7996-9c4e-4617bb9cc8ab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivablesPeriodPastDueDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_019fcdef-d07a-7bb9-b53d-638310097a4d" xlink:to="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fcdef-d07a-7996-9c4e-4617bb9cc8ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_FinancialAssetCurrentOrNotYetDueMember_019fcdef-d07a-75f3-af72-b48d3bf023b4" xlink:href="lnw-20260930.xsd#lnw_FinancialAssetCurrentOrNotYetDueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fcdef-d07a-7996-9c4e-4617bb9cc8ab" xlink:to="loc_lnw_FinancialAssetCurrentOrNotYetDueMember_019fcdef-d07a-75f3-af72-b48d3bf023b4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember_019fcdef-d07a-7ffc-b945-e10c28a2a91d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fcdef-d07a-7996-9c4e-4617bb9cc8ab" xlink:to="loc_us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember_019fcdef-d07a-7ffc-b945-e10c28a2a91d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019fcdef-d07a-71c4-90c1-792e11dbd0b4" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_019fcdef-d07a-7c6e-a047-3388b480d3f2" xlink:to="loc_srt_StatementGeographicalAxis_019fcdef-d07a-71c4-90c1-792e11dbd0b4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019fcdef-d07a-71c4-90c1-792e11dbd0b4_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019fcdef-d07a-71c4-90c1-792e11dbd0b4" xlink:to="loc_srt_SegmentGeographicalDomain_019fcdef-d07a-71c4-90c1-792e11dbd0b4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019fcdef-d07a-7ebc-a0ff-e14677adbf4a" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019fcdef-d07a-71c4-90c1-792e11dbd0b4" xlink:to="loc_srt_SegmentGeographicalDomain_019fcdef-d07a-7ebc-a0ff-e14677adbf4a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LatinAmericaMember_019fcdef-d07a-7acf-8006-49ba5b9d2963" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_LatinAmericaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019fcdef-d07a-7ebc-a0ff-e14677adbf4a" xlink:to="loc_srt_LatinAmericaMember_019fcdef-d07a-7acf-8006-49ba5b9d2963" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGross_019fcdef-d07a-767e-a9ae-f7d780f08ff6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019fcdef-d07a-7d85-8fac-b50f733ccb95" xlink:to="loc_us-gaap_AccountsReceivableGross_019fcdef-d07a-767e-a9ae-f7d780f08ff6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_019fcdef-d07a-78fa-97ba-a3213217db1c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019fcdef-d07a-7d85-8fac-b50f733ccb95" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_019fcdef-d07a-78fa-97ba-a3213217db1c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_019fcdef-d07a-766e-b906-04adf3e5bfec" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019fcdef-d07a-7d85-8fac-b50f733ccb95" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_019fcdef-d07a-766e-b906-04adf3e5bfec" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/PropertyandEquipmentnetScheduleofPropertyandEquipmentDetails" xlink:type="simple" xlink:href="lnw-20260930.xsd#PropertyandEquipmentnetScheduleofPropertyandEquipmentDetails"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/PropertyandEquipmentnetScheduleofPropertyandEquipmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019fcdef-d07a-7ac7-8751-7f1d04df88c7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019fcdef-d07a-72e7-9166-3568c272a582" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019fcdef-d07a-7ac7-8751-7f1d04df88c7" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019fcdef-d07a-72e7-9166-3568c272a582" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019fcdef-d07a-78ff-9523-6f8d671ddfa3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019fcdef-d07a-72e7-9166-3568c272a582" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019fcdef-d07a-78ff-9523-6f8d671ddfa3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fcdef-d07a-78ff-9523-6f8d671ddfa3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019fcdef-d07a-78ff-9523-6f8d671ddfa3" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fcdef-d07a-78ff-9523-6f8d671ddfa3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fcdef-d07a-7041-8756-bfd11099728f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019fcdef-d07a-78ff-9523-6f8d671ddfa3" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fcdef-d07a-7041-8756-bfd11099728f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandMember_019fcdef-d07a-7eaf-bd92-e63c5cdfc1a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LandMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fcdef-d07a-7041-8756-bfd11099728f" xlink:to="loc_us-gaap_LandMember_019fcdef-d07a-7eaf-bd92-e63c5cdfc1a5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_019fcdef-d07a-772f-bf72-7af7e739201e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BuildingAndBuildingImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fcdef-d07a-7041-8756-bfd11099728f" xlink:to="loc_us-gaap_BuildingAndBuildingImprovementsMember_019fcdef-d07a-772f-bf72-7af7e739201e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MachineryAndEquipmentMember_019fcdef-d07a-753e-be39-91a105e6f6e7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MachineryAndEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fcdef-d07a-7041-8756-bfd11099728f" xlink:to="loc_us-gaap_MachineryAndEquipmentMember_019fcdef-d07a-753e-be39-91a105e6f6e7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FurnitureAndFixturesMember_019fcdef-d07a-7782-9d7d-b63d32de9223" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FurnitureAndFixturesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fcdef-d07a-7041-8756-bfd11099728f" xlink:to="loc_us-gaap_FurnitureAndFixturesMember_019fcdef-d07a-7782-9d7d-b63d32de9223" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionInProgressMember_019fcdef-d07a-7bfe-b0e6-cd01a1b9238b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConstructionInProgressMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fcdef-d07a-7041-8756-bfd11099728f" xlink:to="loc_us-gaap_ConstructionInProgressMember_019fcdef-d07a-7bfe-b0e6-cd01a1b9238b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentOtherTypesMember_019fcdef-d07a-7789-aecb-97aa2b178b92" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentOtherTypesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fcdef-d07a-7041-8756-bfd11099728f" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentOtherTypesMember_019fcdef-d07a-7789-aecb-97aa2b178b92" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_AccumulatedDepreciationMember_01a184c8-8545-7ca3-86db-d71fa93a9b4e" xlink:href="lnw-20260930.xsd#lnw_AccumulatedDepreciationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fcdef-d07a-7041-8756-bfd11099728f" xlink:to="loc_lnw_AccumulatedDepreciationMember_01a184c8-8545-7ca3-86db-d71fa93a9b4e" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_019fcdef-d07a-7cf0-9f87-af9ac5959741" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019fcdef-d07a-7ac7-8751-7f1d04df88c7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_019fcdef-d07a-7cf0-9f87-af9ac5959741" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_019fcdef-d07a-7775-b234-0981af0d8413" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019fcdef-d07a-7ac7-8751-7f1d04df88c7" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_019fcdef-d07a-7775-b234-0981af0d8413" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_019fcdef-d07a-7f88-85f1-2bdba7d86507" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019fcdef-d07a-7ac7-8751-7f1d04df88c7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_019fcdef-d07a-7f88-85f1-2bdba7d86507" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_019fcdef-d07a-7b22-813e-974010ed2d46" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Depreciation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019fcdef-d07a-7ac7-8751-7f1d04df88c7" xlink:to="loc_us-gaap_Depreciation_019fcdef-d07a-7b22-813e-974010ed2d46" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/IntangibleAssetsnetandGoodwillIntangibleAssetsDetails" xlink:type="simple" xlink:href="lnw-20260930.xsd#IntangibleAssetsnetandGoodwillIntangibleAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/IntangibleAssetsnetandGoodwillIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_lnw_ScheduleOfFiniteLivedIntangibleAndIndefiniteLivedIntangibleAssetsLineItems_019fcdef-d07a-7fb9-a0c0-d1a6755e285f" xlink:href="lnw-20260930.xsd#lnw_ScheduleOfFiniteLivedIntangibleAndIndefiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_019fcdef-d07a-7708-ad74-eb7bf9f6867e" xlink:href="lnw-20260930.xsd#lnw_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_lnw_ScheduleOfFiniteLivedIntangibleAndIndefiniteLivedIntangibleAssetsLineItems_019fcdef-d07a-7fb9-a0c0-d1a6755e285f" xlink:to="loc_lnw_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_019fcdef-d07a-7708-ad74-eb7bf9f6867e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019fcdef-d07a-79f2-bad5-fce9fec63168" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_lnw_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_019fcdef-d07a-7708-ad74-eb7bf9f6867e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019fcdef-d07a-79f2-bad5-fce9fec63168" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019fcdef-d07a-79f2-bad5-fce9fec63168_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019fcdef-d07a-79f2-bad5-fce9fec63168" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019fcdef-d07a-79f2-bad5-fce9fec63168_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019fcdef-d07a-7ecc-af23-490cf3fcf89e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019fcdef-d07a-79f2-bad5-fce9fec63168" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019fcdef-d07a-7ecc-af23-490cf3fcf89e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_019fcdef-d07a-7a11-bbf8-d8dfd7a8ecbf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019fcdef-d07a-7ecc-af23-490cf3fcf89e" xlink:to="loc_us-gaap_CustomerRelationshipsMember_019fcdef-d07a-7a11-bbf8-d8dfd7a8ecbf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntellectualPropertyMember_019fcdef-d07a-7b08-af68-878048760ffe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntellectualPropertyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019fcdef-d07a-7ecc-af23-490cf3fcf89e" xlink:to="loc_us-gaap_IntellectualPropertyMember_019fcdef-d07a-7b08-af68-878048760ffe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LicensingAgreementsMember_019fcdef-d07a-7652-af8b-d808bb2277f8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LicensingAgreementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019fcdef-d07a-7ecc-af23-490cf3fcf89e" xlink:to="loc_us-gaap_LicensingAgreementsMember_019fcdef-d07a-7652-af8b-d808bb2277f8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_BrandNameMember_019fcdef-d07a-7074-a494-6cb9a7bea042" xlink:href="lnw-20260930.xsd#lnw_BrandNameMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019fcdef-d07a-7ecc-af23-490cf3fcf89e" xlink:to="loc_lnw_BrandNameMember_019fcdef-d07a-7074-a494-6cb9a7bea042" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeNamesMember_019fcdef-d07a-7f53-a088-b35cb3c03160" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TradeNamesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019fcdef-d07a-7ecc-af23-490cf3fcf89e" xlink:to="loc_us-gaap_TradeNamesMember_019fcdef-d07a-7f53-a088-b35cb3c03160" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PatentsMember_019fcdef-d07a-7de1-b706-ed31e307da9c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PatentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019fcdef-d07a-7ecc-af23-490cf3fcf89e" xlink:to="loc_us-gaap_PatentsMember_019fcdef-d07a-7de1-b706-ed31e307da9c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019fcdef-d07a-7cd9-b5b0-9f54f89e0b2e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lnw_ScheduleOfFiniteLivedIntangibleAndIndefiniteLivedIntangibleAssetsLineItems_019fcdef-d07a-7fb9-a0c0-d1a6755e285f" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019fcdef-d07a-7cd9-b5b0-9f54f89e0b2e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019fcdef-d07a-78de-93d9-f09e988c3b19" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lnw_ScheduleOfFiniteLivedIntangibleAndIndefiniteLivedIntangibleAssetsLineItems_019fcdef-d07a-7fb9-a0c0-d1a6755e285f" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019fcdef-d07a-78de-93d9-f09e988c3b19" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019fcdef-d07a-77a7-b249-485fdceaa331" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lnw_ScheduleOfFiniteLivedIntangibleAndIndefiniteLivedIntangibleAssetsLineItems_019fcdef-d07a-7fb9-a0c0-d1a6755e285f" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019fcdef-d07a-77a7-b249-485fdceaa331" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/IntangibleAssetsnetandGoodwillGoodwillDetails" xlink:type="simple" xlink:href="lnw-20260930.xsd#IntangibleAssetsnetandGoodwillGoodwillDetails"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/IntangibleAssetsnetandGoodwillGoodwillDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillLineItems_019fcdef-d07a-76fa-bdea-b664a85c95b0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GoodwillLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_019fcdef-d07a-73e1-8774-b4a32792d3d8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfGoodwillTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GoodwillLineItems_019fcdef-d07a-76fa-bdea-b664a85c95b0" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_019fcdef-d07a-73e1-8774-b4a32792d3d8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019fcdef-d07a-7ec8-a13e-af38dce5236a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_019fcdef-d07a-73e1-8774-b4a32792d3d8" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019fcdef-d07a-7ec8-a13e-af38dce5236a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fcdef-d07a-7ec8-a13e-af38dce5236a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fcdef-d07a-7ec8-a13e-af38dce5236a" xlink:to="loc_us-gaap_SegmentDomain_019fcdef-d07a-7ec8-a13e-af38dce5236a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fcdef-d07a-7050-a44f-ce67e8a17cfb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fcdef-d07a-7ec8-a13e-af38dce5236a" xlink:to="loc_us-gaap_SegmentDomain_019fcdef-d07a-7050-a44f-ce67e8a17cfb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_GamingGroupMember_01a19d6c-a2d7-7feb-bcea-a4f8a2c27645" xlink:href="lnw-20260930.xsd#lnw_GamingGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fcdef-d07a-7050-a44f-ce67e8a17cfb" xlink:to="loc_lnw_GamingGroupMember_01a19d6c-a2d7-7feb-bcea-a4f8a2c27645" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_SciPlayMember_01a19d6d-a422-7c9b-a83e-b2afce976b14" xlink:href="lnw-20260930.xsd#lnw_SciPlayMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fcdef-d07a-7050-a44f-ce67e8a17cfb" xlink:to="loc_lnw_SciPlayMember_01a19d6d-a422-7c9b-a83e-b2afce976b14" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_IGamingBusinessSegmentMember_019fcdef-d07a-7eda-9908-7cc422df5f85" xlink:href="lnw-20260930.xsd#lnw_IGamingBusinessSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fcdef-d07a-7050-a44f-ce67e8a17cfb" xlink:to="loc_lnw_IGamingBusinessSegmentMember_019fcdef-d07a-7eda-9908-7cc422df5f85" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillRollForward_019fcdef-d07a-7436-9f2d-5fb08957a9cc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GoodwillRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_019fcdef-d07a-76fa-bdea-b664a85c95b0" xlink:to="loc_us-gaap_GoodwillRollForward_019fcdef-d07a-7436-9f2d-5fb08957a9cc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019fcdef-d07a-7c85-a9e1-20778b84902a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_019fcdef-d07a-7436-9f2d-5fb08957a9cc" xlink:to="loc_us-gaap_Goodwill_019fcdef-d07a-7c85-a9e1-20778b84902a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_019fcdef-d07a-7054-8c04-f338397122b9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GoodwillForeignCurrencyTranslationGainLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_019fcdef-d07a-7436-9f2d-5fb08957a9cc" xlink:to="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_019fcdef-d07a-7054-8c04-f338397122b9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019fcdef-d07a-774c-99b9-7978fee9ba3b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_019fcdef-d07a-7df8-a7d8-885f5ef878c4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GoodwillImpairedAccumulatedImpairmentLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_019fcdef-d07a-76fa-bdea-b664a85c95b0" xlink:to="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_019fcdef-d07a-7df8-a7d8-885f5ef878c4" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/SoftwarenetSummaryofSoftwareandAmortizationDetails" xlink:type="simple" xlink:href="lnw-20260930.xsd#SoftwarenetSummaryofSoftwareandAmortizationDetails"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/SoftwarenetSummaryofSoftwareandAmortizationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019fcdef-d10b-7d9d-b9ec-e1981777a767" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019fcdef-d07a-73fc-ae76-ddd4d553b53e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019fcdef-d10b-7d9d-b9ec-e1981777a767" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019fcdef-d07a-73fc-ae76-ddd4d553b53e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_OtherAssetsAndInvestmentsByTypeAxis_019fcdef-d07a-7b09-8dae-4ba415fe680e" xlink:href="lnw-20260930.xsd#lnw_OtherAssetsAndInvestmentsByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019fcdef-d07a-73fc-ae76-ddd4d553b53e" xlink:to="loc_lnw_OtherAssetsAndInvestmentsByTypeAxis_019fcdef-d07a-7b09-8dae-4ba415fe680e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_OtherAssetsAndInvestmentsByTypeDomain_019fcdef-d07a-7b09-8dae-4ba415fe680e_default" xlink:href="lnw-20260930.xsd#lnw_OtherAssetsAndInvestmentsByTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_lnw_OtherAssetsAndInvestmentsByTypeAxis_019fcdef-d07a-7b09-8dae-4ba415fe680e" xlink:to="loc_lnw_OtherAssetsAndInvestmentsByTypeDomain_019fcdef-d07a-7b09-8dae-4ba415fe680e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_OtherAssetsAndInvestmentsByTypeDomain_019fcdef-d07a-7021-878e-54c0613826b9" xlink:href="lnw-20260930.xsd#lnw_OtherAssetsAndInvestmentsByTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_lnw_OtherAssetsAndInvestmentsByTypeAxis_019fcdef-d07a-7b09-8dae-4ba415fe680e" xlink:to="loc_lnw_OtherAssetsAndInvestmentsByTypeDomain_019fcdef-d07a-7021-878e-54c0613826b9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SoftwareDevelopmentMember_019fcdef-d07a-7dd3-b6da-6413e9d38be1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SoftwareDevelopmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lnw_OtherAssetsAndInvestmentsByTypeDomain_019fcdef-d07a-7021-878e-54c0613826b9" xlink:to="loc_us-gaap_SoftwareDevelopmentMember_019fcdef-d07a-7dd3-b6da-6413e9d38be1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_ExternalUseSoftwareMember_019fcdef-d07a-7553-8820-80d5c94f33a0" xlink:href="lnw-20260930.xsd#lnw_ExternalUseSoftwareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lnw_OtherAssetsAndInvestmentsByTypeDomain_019fcdef-d07a-7021-878e-54c0613826b9" xlink:to="loc_lnw_ExternalUseSoftwareMember_019fcdef-d07a-7553-8820-80d5c94f33a0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019fcdef-d10b-7034-a0ad-73e9a1e71bc5" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019fcdef-d07a-73fc-ae76-ddd4d553b53e" xlink:to="loc_srt_RangeAxis_019fcdef-d10b-7034-a0ad-73e9a1e71bc5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fcdef-d10b-7034-a0ad-73e9a1e71bc5_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019fcdef-d10b-7034-a0ad-73e9a1e71bc5" xlink:to="loc_srt_RangeMember_019fcdef-d10b-7034-a0ad-73e9a1e71bc5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fcdef-d10b-7f5f-b09f-d26b5b256d85" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019fcdef-d10b-7034-a0ad-73e9a1e71bc5" xlink:to="loc_srt_RangeMember_019fcdef-d10b-7f5f-b09f-d26b5b256d85" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019fcdef-d10b-7912-a2c9-fd1b6fea0df9" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019fcdef-d10b-7f5f-b09f-d26b5b256d85" xlink:to="loc_srt_MinimumMember_019fcdef-d10b-7912-a2c9-fd1b6fea0df9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019fcdef-d10b-7e3e-a371-6839809989dd" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019fcdef-d10b-7f5f-b09f-d26b5b256d85" xlink:to="loc_srt_MaximumMember_019fcdef-d10b-7e3e-a371-6839809989dd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_019fcdef-d10b-7839-9cc1-312f41da9f2e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019fcdef-d10b-7d9d-b9ec-e1981777a767" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_019fcdef-d10b-7839-9cc1-312f41da9f2e" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/LongTermDebtOutstandingDebtDetails" xlink:type="simple" xlink:href="lnw-20260930.xsd#LongTermDebtOutstandingDebtDetails"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/LongTermDebtOutstandingDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019fcdef-d10b-7b9e-b2ea-6c41876c74f0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019fcdef-d10b-7d89-956c-463b9fc64d90" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fcdef-d10b-7b9e-b2ea-6c41876c74f0" xlink:to="loc_us-gaap_DebtInstrumentTable_019fcdef-d10b-7d89-956c-463b9fc64d90" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019fcdef-d10b-7824-97fe-b65bc9d6ec44" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fcdef-d10b-7d89-956c-463b9fc64d90" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019fcdef-d10b-7824-97fe-b65bc9d6ec44" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fcdef-d10b-7824-97fe-b65bc9d6ec44_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fcdef-d10b-7824-97fe-b65bc9d6ec44" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fcdef-d10b-7824-97fe-b65bc9d6ec44_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fcdef-d10b-7906-bab7-1f21e5c2c66c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fcdef-d10b-7824-97fe-b65bc9d6ec44" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fcdef-d10b-7906-bab7-1f21e5c2c66c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_019fcdef-d10b-7964-9102-3b0c593d7b7c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fcdef-d10b-7906-bab7-1f21e5c2c66c" xlink:to="loc_us-gaap_SecuredDebtMember_019fcdef-d10b-7964-9102-3b0c593d7b7c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_019fcdef-d10b-7d8f-8dfa-f2e50a13d921" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fcdef-d10b-7906-bab7-1f21e5c2c66c" xlink:to="loc_us-gaap_SeniorNotesMember_019fcdef-d10b-7d8f-8dfa-f2e50a13d921" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_CapitalLeaseObligationsOtherDebtMember_019fcdef-d10b-7e40-b7ad-55e42f1cab99" xlink:href="lnw-20260930.xsd#lnw_CapitalLeaseObligationsOtherDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fcdef-d10b-7906-bab7-1f21e5c2c66c" xlink:to="loc_lnw_CapitalLeaseObligationsOtherDebtMember_019fcdef-d10b-7e40-b7ad-55e42f1cab99" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_019fcdef-d10b-7a7a-a54d-04c38e124f5b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fcdef-d10b-7d89-956c-463b9fc64d90" xlink:to="loc_us-gaap_CreditFacilityAxis_019fcdef-d10b-7a7a-a54d-04c38e124f5b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019fcdef-d10b-7a7a-a54d-04c38e124f5b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_019fcdef-d10b-7a7a-a54d-04c38e124f5b" xlink:to="loc_us-gaap_CreditFacilityDomain_019fcdef-d10b-7a7a-a54d-04c38e124f5b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019fcdef-d10b-7b5a-83c0-33b54faba5d0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_019fcdef-d10b-7a7a-a54d-04c38e124f5b" xlink:to="loc_us-gaap_CreditFacilityDomain_019fcdef-d10b-7b5a-83c0-33b54faba5d0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_019fcdef-d10b-7029-9ec9-edd4b226316b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019fcdef-d10b-7b5a-83c0-33b54faba5d0" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_019fcdef-d10b-7029-9ec9-edd4b226316b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_019fcdef-d10b-795a-b202-7fae48bc537f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019fcdef-d10b-7b5a-83c0-33b54faba5d0" xlink:to="loc_us-gaap_SecuredDebtMember_019fcdef-d10b-795a-b202-7fae48bc537f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019fcdef-d10b-7b47-9c27-298b3af0afd3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fcdef-d10b-7d89-956c-463b9fc64d90" xlink:to="loc_us-gaap_DebtInstrumentAxis_019fcdef-d10b-7b47-9c27-298b3af0afd3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fcdef-d10b-7b47-9c27-298b3af0afd3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fcdef-d10b-7b47-9c27-298b3af0afd3" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fcdef-d10b-7b47-9c27-298b3af0afd3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fcdef-d10b-7b66-b8b7-2d2c763251eb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fcdef-d10b-7b47-9c27-298b3af0afd3" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fcdef-d10b-7b66-b8b7-2d2c763251eb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_SeniorSecuredRevolverMaturing2030Member_019fcdef-d10b-7902-84fa-627c7774c7aa" xlink:href="lnw-20260930.xsd#lnw_SeniorSecuredRevolverMaturing2030Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fcdef-d10b-7b66-b8b7-2d2c763251eb" xlink:to="loc_lnw_SeniorSecuredRevolverMaturing2030Member_019fcdef-d10b-7902-84fa-627c7774c7aa" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_SeniorSecuredCreditFacilityTermLoanAMaturingIn2028Member_019fcdef-d10b-74a1-973b-506b9d509eaa" xlink:href="lnw-20260930.xsd#lnw_SeniorSecuredCreditFacilityTermLoanAMaturingIn2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fcdef-d10b-7b66-b8b7-2d2c763251eb" xlink:to="loc_lnw_SeniorSecuredCreditFacilityTermLoanAMaturingIn2028Member_019fcdef-d10b-74a1-973b-506b9d509eaa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_SeniorSecuredCreditFacilityTermLoanBMaturingIn2029Member_019fcdef-d10b-796a-8b65-c66f859729a2" xlink:href="lnw-20260930.xsd#lnw_SeniorSecuredCreditFacilityTermLoanBMaturingIn2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fcdef-d10b-7b66-b8b7-2d2c763251eb" xlink:to="loc_lnw_SeniorSecuredCreditFacilityTermLoanBMaturingIn2029Member_019fcdef-d10b-796a-8b65-c66f859729a2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_SeniorUnsecuredNotesMaturing2029Member_019fcdef-d10b-79a7-8386-39aa00584b3f" xlink:href="lnw-20260930.xsd#lnw_SeniorUnsecuredNotesMaturing2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fcdef-d10b-7b66-b8b7-2d2c763251eb" xlink:to="loc_lnw_SeniorUnsecuredNotesMaturing2029Member_019fcdef-d10b-79a7-8386-39aa00584b3f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_SeniorUnsecuredNotesMaturing2031Member_019fcdef-d10b-705b-b1a3-1a0bddfade76" xlink:href="lnw-20260930.xsd#lnw_SeniorUnsecuredNotesMaturing2031Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fcdef-d10b-7b66-b8b7-2d2c763251eb" xlink:to="loc_lnw_SeniorUnsecuredNotesMaturing2031Member_019fcdef-d10b-705b-b1a3-1a0bddfade76" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_SeniorUnsecuredNotesMaturing2033Member_019fcdef-d10b-7a2f-b735-f0614a581af9" xlink:href="lnw-20260930.xsd#lnw_SeniorUnsecuredNotesMaturing2033Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fcdef-d10b-7b66-b8b7-2d2c763251eb" xlink:to="loc_lnw_SeniorUnsecuredNotesMaturing2033Member_019fcdef-d10b-7a2f-b735-f0614a581af9" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_CapitalLeaseObligationsPayableMonthlyMember_019fcdef-d10b-7e03-afb3-493c5603efbb" xlink:href="lnw-20260930.xsd#lnw_CapitalLeaseObligationsPayableMonthlyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fcdef-d10b-7b66-b8b7-2d2c763251eb" xlink:to="loc_lnw_CapitalLeaseObligationsPayableMonthlyMember_019fcdef-d10b-7e03-afb3-493c5603efbb" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_019fcdef-d10b-7d11-b782-3fdb06ed596a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fcdef-d10b-7d89-956c-463b9fc64d90" xlink:to="loc_us-gaap_VariableRateAxis_019fcdef-d10b-7d11-b782-3fdb06ed596a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_019fcdef-d10b-7d11-b782-3fdb06ed596a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_019fcdef-d10b-7d11-b782-3fdb06ed596a" xlink:to="loc_us-gaap_VariableRateDomain_019fcdef-d10b-7d11-b782-3fdb06ed596a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_019fcdef-d10b-7730-a72f-02f4699848e9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_019fcdef-d10b-7d11-b782-3fdb06ed596a" xlink:to="loc_us-gaap_VariableRateDomain_019fcdef-d10b-7730-a72f-02f4699848e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_AdjustedSecuredOvernightFinancingRateMember_019fcdef-d10b-7459-909e-94f41c0540df" xlink:href="lnw-20260930.xsd#lnw_AdjustedSecuredOvernightFinancingRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_019fcdef-d10b-7730-a72f-02f4699848e9" xlink:to="loc_lnw_AdjustedSecuredOvernightFinancingRateMember_019fcdef-d10b-7459-909e-94f41c0540df" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BaseRateMember_019fcdef-d10b-7533-a63f-44eb7f29885c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BaseRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_019fcdef-d10b-7730-a72f-02f4699848e9" xlink:to="loc_us-gaap_BaseRateMember_019fcdef-d10b-7533-a63f-44eb7f29885c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fcdef-d10b-7850-a433-3320fd3f103a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fcdef-d10b-7b9e-b2ea-6c41876c74f0" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fcdef-d10b-7850-a433-3320fd3f103a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019fcdef-d10b-77f8-8c87-748ec28124f5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fcdef-d10b-7b9e-b2ea-6c41876c74f0" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_019fcdef-d10b-77f8-8c87-748ec28124f5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_019fcdef-d10b-7d22-9f3d-b0b53301a569" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fcdef-d10b-7b9e-b2ea-6c41876c74f0" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_019fcdef-d10b-7d22-9f3d-b0b53301a569" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_019fcdef-d10b-70c6-898b-2a149f410463" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fcdef-d10b-7b9e-b2ea-6c41876c74f0" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_019fcdef-d10b-70c6-898b-2a149f410463" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_019fcdef-d10b-79cc-810d-4c058ad036f1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fcdef-d10b-7b9e-b2ea-6c41876c74f0" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_019fcdef-d10b-79cc-810d-4c058ad036f1" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_019fcdef-d10b-7056-9792-2b902bd2dd0f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fcdef-d10b-7b9e-b2ea-6c41876c74f0" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_019fcdef-d10b-7056-9792-2b902bd2dd0f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFairValue_019fcdef-d10b-7d7f-88c7-b037c8507c03" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fcdef-d10b-7b9e-b2ea-6c41876c74f0" xlink:to="loc_us-gaap_DebtInstrumentFairValue_019fcdef-d10b-7d7f-88c7-b037c8507c03" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_019fcdef-d10b-7a03-8748-d08ecda26470" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fcdef-d10b-7b9e-b2ea-6c41876c74f0" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_019fcdef-d10b-7a03-8748-d08ecda26470" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/FairValueMeasurementsAdditionalInformationDetails" xlink:type="simple" xlink:href="lnw-20260930.xsd#FairValueMeasurementsAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/FairValueMeasurementsAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_019fcdef-d10b-7607-a418-7f8cc8218457" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativesFairValueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fcdef-d10b-790c-9a7b-6347e28469b0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_019fcdef-d10b-7607-a418-7f8cc8218457" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fcdef-d10b-790c-9a7b-6347e28469b0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019fcdef-d10b-71cb-bb6e-095302a61c1d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fcdef-d10b-790c-9a7b-6347e28469b0" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019fcdef-d10b-71cb-bb6e-095302a61c1d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_019fcdef-d10b-71cb-bb6e-095302a61c1d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019fcdef-d10b-71cb-bb6e-095302a61c1d" xlink:to="loc_us-gaap_HedgingRelationshipDomain_019fcdef-d10b-71cb-bb6e-095302a61c1d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_019fcdef-d10b-7b95-9e1b-a278525f1abd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019fcdef-d10b-71cb-bb6e-095302a61c1d" xlink:to="loc_us-gaap_HedgingRelationshipDomain_019fcdef-d10b-7b95-9e1b-a278525f1abd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgingMember_019fcdef-d10b-7843-890d-7bd44f76427a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashFlowHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_019fcdef-d10b-7b95-9e1b-a278525f1abd" xlink:to="loc_us-gaap_CashFlowHedgingMember_019fcdef-d10b-7843-890d-7bd44f76427a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_019fcdef-d10b-7a9b-a914-9dbc0fcfe422" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fcdef-d10b-790c-9a7b-6347e28469b0" xlink:to="loc_us-gaap_HedgingDesignationAxis_019fcdef-d10b-7a9b-a914-9dbc0fcfe422" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019fcdef-d10b-7a9b-a914-9dbc0fcfe422_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_019fcdef-d10b-7a9b-a914-9dbc0fcfe422" xlink:to="loc_us-gaap_HedgingDesignationDomain_019fcdef-d10b-7a9b-a914-9dbc0fcfe422_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019fcdef-d10b-7746-85b5-609b2a405b40" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_019fcdef-d10b-7a9b-a914-9dbc0fcfe422" xlink:to="loc_us-gaap_HedgingDesignationDomain_019fcdef-d10b-7746-85b5-609b2a405b40" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019fcdef-d10b-7c58-98c2-0de22fef9c06" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019fcdef-d10b-7746-85b5-609b2a405b40" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019fcdef-d10b-7c58-98c2-0de22fef9c06" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019fcdef-d10b-754b-a73e-edb273033e7e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fcdef-d10b-790c-9a7b-6347e28469b0" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019fcdef-d10b-754b-a73e-edb273033e7e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fcdef-d10b-754b-a73e-edb273033e7e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fcdef-d10b-754b-a73e-edb273033e7e" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fcdef-d10b-754b-a73e-edb273033e7e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fcdef-d10b-7aa4-84cc-4ecaa1369d24" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fcdef-d10b-754b-a73e-edb273033e7e" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fcdef-d10b-7aa4-84cc-4ecaa1369d24" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_019fcdef-d10b-78df-92a6-3ab608eab6d1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019fcdef-d10b-7aa4-84cc-4ecaa1369d24" xlink:to="loc_us-gaap_InterestRateSwapMember_019fcdef-d10b-78df-92a6-3ab608eab6d1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAverageFixedInterestRate_019fcdef-d10b-7fad-9094-122d03c28665" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAverageFixedInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_019fcdef-d10b-7607-a418-7f8cc8218457" xlink:to="loc_us-gaap_DerivativeAverageFixedInterestRate_019fcdef-d10b-7fad-9094-122d03c28665" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetNotionalAmount_019fcdef-d10b-7061-84b4-4dd87a51ae77" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAssetNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_019fcdef-d10b-7607-a418-7f8cc8218457" xlink:to="loc_us-gaap_DerivativeAssetNotionalAmount_019fcdef-d10b-7061-84b4-4dd87a51ae77" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/FairValueMeasurementsGainsLossesonInterestRateSwapsDetails" xlink:type="simple" xlink:href="lnw-20260930.xsd#FairValueMeasurementsGainsLossesonInterestRateSwapsDetails"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/FairValueMeasurementsGainsLossesonInterestRateSwapsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fcdef-d10b-7b53-80b1-45002038ab3e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fcdef-d10b-7189-abd5-69b9b222a89b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fcdef-d10b-7b53-80b1-45002038ab3e" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fcdef-d10b-7189-abd5-69b9b222a89b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019fcdef-d10b-7b45-8a82-097593ab86fc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fcdef-d10b-7189-abd5-69b9b222a89b" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019fcdef-d10b-7b45-8a82-097593ab86fc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fcdef-d10b-7b45-8a82-097593ab86fc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fcdef-d10b-7b45-8a82-097593ab86fc" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fcdef-d10b-7b45-8a82-097593ab86fc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fcdef-d10b-7864-a83b-5f6fe1b785ca" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fcdef-d10b-7b45-8a82-097593ab86fc" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fcdef-d10b-7864-a83b-5f6fe1b785ca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_019fcdef-d10b-7ece-8052-385f59254530" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019fcdef-d10b-7864-a83b-5f6fe1b785ca" xlink:to="loc_us-gaap_InterestRateSwapMember_019fcdef-d10b-7ece-8052-385f59254530" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsBeforeTax_019fcdef-d10b-758b-8f8b-bbfc93ac576e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fcdef-d10b-7b53-80b1-45002038ab3e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsBeforeTax_019fcdef-d10b-758b-8f8b-bbfc93ac576e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments_019fcdef-d10b-7158-90ee-ff29421d1f64" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fcdef-d10b-7b53-80b1-45002038ab3e" xlink:to="loc_us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments_019fcdef-d10b-7158-90ee-ff29421d1f64" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/FairValueMeasurementsScheduleofFairValueofHedgesDetails" xlink:type="simple" xlink:href="lnw-20260930.xsd#FairValueMeasurementsScheduleofFairValueofHedgesDetails"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/FairValueMeasurementsScheduleofFairValueofHedgesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_019fcdef-d10b-7b45-bf0a-029c26bde551" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTable_019fcdef-d10b-78a6-a687-1144bd59face" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_019fcdef-d10b-7b45-bf0a-029c26bde551" xlink:to="loc_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTable_019fcdef-d10b-78a6-a687-1144bd59face" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019fcdef-d10b-7e87-a831-e4fdc339115b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTable_019fcdef-d10b-78a6-a687-1144bd59face" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019fcdef-d10b-7e87-a831-e4fdc339115b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fcdef-d10b-7e87-a831-e4fdc339115b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fcdef-d10b-7e87-a831-e4fdc339115b" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fcdef-d10b-7e87-a831-e4fdc339115b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fcdef-d10b-7d1c-bffd-d1ac28fca8e1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fcdef-d10b-7e87-a831-e4fdc339115b" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fcdef-d10b-7d1c-bffd-d1ac28fca8e1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_019fcdef-d10b-70c7-bfad-3da50940069e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019fcdef-d10b-7d1c-bffd-d1ac28fca8e1" xlink:to="loc_us-gaap_InterestRateSwapMember_019fcdef-d10b-70c7-bfad-3da50940069e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionLocationBalanceAxis_019fcdef-d10b-7fa9-8e4a-561ca6bec11e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementOfFinancialPositionLocationBalanceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTable_019fcdef-d10b-78a6-a687-1144bd59face" xlink:to="loc_us-gaap_StatementOfFinancialPositionLocationBalanceAxis_019fcdef-d10b-7fa9-8e4a-561ca6bec11e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeNet_019fcdef-d10b-7a65-a7b3-0286b2ce6116" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeFairValueOfDerivativeNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_019fcdef-d10b-7b45-bf0a-029c26bde551" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeNet_019fcdef-d10b-7a65-a7b3-0286b2ce6116" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/FairValueMeasurementsScheduleofFairValueofHedgesDetails_1" xlink:type="simple" xlink:href="lnw-20260930.xsd#FairValueMeasurementsScheduleofFairValueofHedgesDetails_1"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/FairValueMeasurementsScheduleofFairValueofHedgesDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_019fcdef-d10b-7b45-bf0a-029c26bde551" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTable_019fcdef-d10b-78a6-a687-1144bd59face" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_019fcdef-d10b-7b45-bf0a-029c26bde551" xlink:to="loc_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTable_019fcdef-d10b-78a6-a687-1144bd59face" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019fcdef-d10b-7e87-a831-e4fdc339115b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTable_019fcdef-d10b-78a6-a687-1144bd59face" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019fcdef-d10b-7e87-a831-e4fdc339115b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fcdef-d10b-7e87-a831-e4fdc339115b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fcdef-d10b-7e87-a831-e4fdc339115b" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fcdef-d10b-7e87-a831-e4fdc339115b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fcdef-d10b-7d1c-bffd-d1ac28fca8e1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fcdef-d10b-7e87-a831-e4fdc339115b" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fcdef-d10b-7d1c-bffd-d1ac28fca8e1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_019fcdef-d10b-70c7-bfad-3da50940069e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019fcdef-d10b-7d1c-bffd-d1ac28fca8e1" xlink:to="loc_us-gaap_InterestRateSwapMember_019fcdef-d10b-70c7-bfad-3da50940069e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeNet_019fcdef-d10b-7a65-a7b3-0286b2ce6116" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeFairValueOfDerivativeNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_019fcdef-d10b-7b45-bf0a-029c26bde551" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeNet_019fcdef-d10b-7a65-a7b3-0286b2ce6116" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/FairValueMeasurementsContingentAcquisitionConsiderationDetails" xlink:type="simple" xlink:href="lnw-20260930.xsd#FairValueMeasurementsContingentAcquisitionConsiderationDetails"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/FairValueMeasurementsContingentAcquisitionConsiderationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fcdef-d10b-76e3-8de4-0f3a39c5a9fd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fcdef-d10b-70a6-b80f-26600a6aa2b9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fcdef-d10b-76e3-8de4-0f3a39c5a9fd" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fcdef-d10b-70a6-b80f-26600a6aa2b9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionLocationBalanceAxis_019fcdef-d10b-7766-b1dc-723011e18167" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementOfFinancialPositionLocationBalanceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fcdef-d10b-70a6-b80f-26600a6aa2b9" xlink:to="loc_us-gaap_StatementOfFinancialPositionLocationBalanceAxis_019fcdef-d10b-7766-b1dc-723011e18167" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019fcdef-d10b-7bc4-9502-7a9b7b0f6027" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fcdef-d10b-70a6-b80f-26600a6aa2b9" xlink:to="loc_dei_LegalEntityAxis_019fcdef-d10b-7bc4-9502-7a9b7b0f6027" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fcdef-d10b-7bc4-9502-7a9b7b0f6027_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019fcdef-d10b-7bc4-9502-7a9b7b0f6027" xlink:to="loc_dei_EntityDomain_019fcdef-d10b-7bc4-9502-7a9b7b0f6027_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fcdef-d10b-7fff-9603-3c052cd08eec" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019fcdef-d10b-7bc4-9502-7a9b7b0f6027" xlink:to="loc_dei_EntityDomain_019fcdef-d10b-7fff-9603-3c052cd08eec" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_SciPlayMember_019fcdef-d10b-73f3-9843-b5ea26c56910" xlink:href="lnw-20260930.xsd#lnw_SciPlayMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fcdef-d10b-7fff-9603-3c052cd08eec" xlink:to="loc_lnw_SciPlayMember_019fcdef-d10b-73f3-9843-b5ea26c56910" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_019fcdef-d10b-706e-8a96-01013686c7f4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationContingentConsiderationLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fcdef-d10b-76e3-8de4-0f3a39c5a9fd" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_019fcdef-d10b-706e-8a96-01013686c7f4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_BusinessCombinationContingentConsiderationLiabilityFairValueAdjustments_019fcdef-d10b-7b47-b630-906d737fcd12" xlink:href="lnw-20260930.xsd#lnw_BusinessCombinationContingentConsiderationLiabilityFairValueAdjustments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fcdef-d10b-76e3-8de4-0f3a39c5a9fd" xlink:to="loc_lnw_BusinessCombinationContingentConsiderationLiabilityFairValueAdjustments_019fcdef-d10b-7b47-b630-906d737fcd12" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_BusinessCombinationContingentConsiderationLiabilityOtherAdjustments_019fcdef-d10b-723d-bfd6-ed178d31db99" xlink:href="lnw-20260930.xsd#lnw_BusinessCombinationContingentConsiderationLiabilityOtherAdjustments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fcdef-d10b-76e3-8de4-0f3a39c5a9fd" xlink:to="loc_lnw_BusinessCombinationContingentConsiderationLiabilityOtherAdjustments_019fcdef-d10b-723d-bfd6-ed178d31db99" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent_019fcdef-d10b-7ac0-b879-f4fad4638f4d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fcdef-d10b-76e3-8de4-0f3a39c5a9fd" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent_019fcdef-d10b-7ac0-b879-f4fad4638f4d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationLiabilityNoncurrent_019fcdef-d10b-781c-a32a-6d6e8c91d5f7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationContingentConsiderationLiabilityNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fcdef-d10b-76e3-8de4-0f3a39c5a9fd" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationLiabilityNoncurrent_019fcdef-d10b-781c-a32a-6d6e8c91d5f7" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/FairValueMeasurementsContingentAcquisitionConsiderationDetails_1" xlink:type="simple" xlink:href="lnw-20260930.xsd#FairValueMeasurementsContingentAcquisitionConsiderationDetails_1"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/FairValueMeasurementsContingentAcquisitionConsiderationDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fcdef-d10b-76e3-8de4-0f3a39c5a9fd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fcdef-d10b-70a6-b80f-26600a6aa2b9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fcdef-d10b-76e3-8de4-0f3a39c5a9fd" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fcdef-d10b-70a6-b80f-26600a6aa2b9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019fcdef-d10b-7bc4-9502-7a9b7b0f6027" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fcdef-d10b-70a6-b80f-26600a6aa2b9" xlink:to="loc_dei_LegalEntityAxis_019fcdef-d10b-7bc4-9502-7a9b7b0f6027" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fcdef-d10b-7bc4-9502-7a9b7b0f6027_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019fcdef-d10b-7bc4-9502-7a9b7b0f6027" xlink:to="loc_dei_EntityDomain_019fcdef-d10b-7bc4-9502-7a9b7b0f6027_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fcdef-d10b-7fff-9603-3c052cd08eec" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019fcdef-d10b-7bc4-9502-7a9b7b0f6027" xlink:to="loc_dei_EntityDomain_019fcdef-d10b-7fff-9603-3c052cd08eec" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_SciPlayMember_019fcdef-d10b-73f3-9843-b5ea26c56910" xlink:href="lnw-20260930.xsd#lnw_SciPlayMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fcdef-d10b-7fff-9603-3c052cd08eec" xlink:to="loc_lnw_SciPlayMember_019fcdef-d10b-73f3-9843-b5ea26c56910" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_019fcdef-d10b-706e-8a96-01013686c7f4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationContingentConsiderationLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fcdef-d10b-76e3-8de4-0f3a39c5a9fd" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_019fcdef-d10b-706e-8a96-01013686c7f4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_BusinessCombinationContingentConsiderationLiabilityFairValueAdjustments_019fcdef-d10b-7b47-b630-906d737fcd12" xlink:href="lnw-20260930.xsd#lnw_BusinessCombinationContingentConsiderationLiabilityFairValueAdjustments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fcdef-d10b-76e3-8de4-0f3a39c5a9fd" xlink:to="loc_lnw_BusinessCombinationContingentConsiderationLiabilityFairValueAdjustments_019fcdef-d10b-7b47-b630-906d737fcd12" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_BusinessCombinationContingentConsiderationLiabilityOtherAdjustments_019fcdef-d10b-723d-bfd6-ed178d31db99" xlink:href="lnw-20260930.xsd#lnw_BusinessCombinationContingentConsiderationLiabilityOtherAdjustments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fcdef-d10b-76e3-8de4-0f3a39c5a9fd" xlink:to="loc_lnw_BusinessCombinationContingentConsiderationLiabilityOtherAdjustments_019fcdef-d10b-723d-bfd6-ed178d31db99" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent_019fcdef-d10b-7ac0-b879-f4fad4638f4d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fcdef-d10b-76e3-8de4-0f3a39c5a9fd" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent_019fcdef-d10b-7ac0-b879-f4fad4638f4d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationLiabilityNoncurrent_019fcdef-d10b-781c-a32a-6d6e8c91d5f7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationContingentConsiderationLiabilityNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fcdef-d10b-76e3-8de4-0f3a39c5a9fd" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationLiabilityNoncurrent_019fcdef-d10b-781c-a32a-6d6e8c91d5f7" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/StockholdersEquityStatementsofChangesinStockholdersEquityDetails" xlink:type="simple" xlink:href="lnw-20260930.xsd#StockholdersEquityStatementsofChangesinStockholdersEquityDetails"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/StockholdersEquityStatementsofChangesinStockholdersEquityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_019fcdef-d10b-7353-98ae-55203467f659" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_019fcdef-d10b-7f5d-97e2-53974b7bbe71" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fcdef-d10b-7353-98ae-55203467f659" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_019fcdef-d10b-7f5d-97e2-53974b7bbe71" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019fcdef-d10b-7e2d-9ac8-538c98c16b74" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_019fcdef-d10b-7f5d-97e2-53974b7bbe71" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019fcdef-d10b-7e2d-9ac8-538c98c16b74" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019fcdef-d10b-7e2d-9ac8-538c98c16b74_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019fcdef-d10b-7e2d-9ac8-538c98c16b74" xlink:to="loc_us-gaap_EquityComponentDomain_019fcdef-d10b-7e2d-9ac8-538c98c16b74_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019fcdef-d10b-7901-8a1f-711312896ea3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019fcdef-d10b-7e2d-9ac8-538c98c16b74" xlink:to="loc_us-gaap_EquityComponentDomain_019fcdef-d10b-7901-8a1f-711312896ea3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_019fcdef-d10b-79f6-932a-325c82c09b10" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fcdef-d10b-7901-8a1f-711312896ea3" xlink:to="loc_us-gaap_CommonStockMember_019fcdef-d10b-79f6-932a-325c82c09b10" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_019fcdef-d10b-73c3-b1be-54c1a3d53d47" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fcdef-d10b-7901-8a1f-711312896ea3" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_019fcdef-d10b-73c3-b1be-54c1a3d53d47" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_019fcdef-d10b-7497-8472-63408622ebfd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fcdef-d10b-7901-8a1f-711312896ea3" xlink:to="loc_us-gaap_RetainedEarningsMember_019fcdef-d10b-7497-8472-63408622ebfd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_019fcdef-d10b-7f87-ab3c-6b279af567ff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockCommonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fcdef-d10b-7901-8a1f-711312896ea3" xlink:to="loc_us-gaap_TreasuryStockCommonMember_019fcdef-d10b-7f87-ab3c-6b279af567ff" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019fcdef-d10b-709d-a1cc-88245a716a72" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fcdef-d10b-7901-8a1f-711312896ea3" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019fcdef-d10b-709d-a1cc-88245a716a72" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fcdef-d10b-71ff-a8a9-2dae491a8fb1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fcdef-d10b-7353-98ae-55203467f659" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fcdef-d10b-71ff-a8a9-2dae491a8fb1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_AdjustmentsToAdditionalPaidInCapitalSettlementOfLiabilityAwardsAndOther_019fcdef-d10b-771e-a446-1aeb44e72ef4" xlink:href="lnw-20260930.xsd#lnw_AdjustmentsToAdditionalPaidInCapitalSettlementOfLiabilityAwardsAndOther"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fcdef-d10b-7353-98ae-55203467f659" xlink:to="loc_lnw_AdjustmentsToAdditionalPaidInCapitalSettlementOfLiabilityAwardsAndOther_019fcdef-d10b-771e-a446-1aeb44e72ef4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RedemptionPremium_019fcdef-d10b-73a0-98e7-d540087fa8c6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RedemptionPremium"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fcdef-d10b-7353-98ae-55203467f659" xlink:to="loc_us-gaap_RedemptionPremium_019fcdef-d10b-73a0-98e7-d540087fa8c6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_019fcdef-d10b-7fb1-87eb-0dd70f21441a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fcdef-d10b-7353-98ae-55203467f659" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_019fcdef-d10b-7fb1-87eb-0dd70f21441a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockRetiredCostMethodAmount_019fcdef-d10b-7bfa-bec0-7c41ccc2f7c5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockRetiredCostMethodAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fcdef-d10b-7353-98ae-55203467f659" xlink:to="loc_us-gaap_TreasuryStockRetiredCostMethodAmount_019fcdef-d10b-7bfa-bec0-7c41ccc2f7c5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_019fcdef-d10b-7980-af51-13284d6f4f59" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fcdef-d10b-7353-98ae-55203467f659" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_019fcdef-d10b-7980-af51-13284d6f4f59" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_PurchaseOfCommonStockHeldInTrustForStockBasedCompensationPlansValue_01a183bf-b315-7ac8-adb5-26827b733ec5" xlink:href="lnw-20260930.xsd#lnw_PurchaseOfCommonStockHeldInTrustForStockBasedCompensationPlansValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fcdef-d10b-7353-98ae-55203467f659" xlink:to="loc_lnw_PurchaseOfCommonStockHeldInTrustForStockBasedCompensationPlansValue_01a183bf-b315-7ac8-adb5-26827b733ec5" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_019fcdef-d10b-772c-b249-84d2e5258ff8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fcdef-d10b-7353-98ae-55203467f659" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_019fcdef-d10b-772c-b249-84d2e5258ff8" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019fcdef-d10b-7c9c-aba6-eaf3b0ddbd81" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fcdef-d10b-7353-98ae-55203467f659" xlink:to="loc_us-gaap_ProfitLoss_019fcdef-d10b-7c9c-aba6-eaf3b0ddbd81" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019fcdef-d10b-76dc-a3ae-eea245a72ff2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fcdef-d10b-7353-98ae-55203467f659" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019fcdef-d10b-76dc-a3ae-eea245a72ff2" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_ExciseTaxes_019fcdef-d10b-7339-9182-a0a7ab104f35" xlink:href="lnw-20260930.xsd#lnw_ExciseTaxes"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fcdef-d10b-7353-98ae-55203467f659" xlink:to="loc_lnw_ExciseTaxes_019fcdef-d10b-7339-9182-a0a7ab104f35" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/StockholdersEquityStockBasedCompensationExpenseUnderAllProgramsDetails" xlink:type="simple" xlink:href="lnw-20260930.xsd#StockholdersEquityStockBasedCompensationExpenseUnderAllProgramsDetails"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/StockholdersEquityStockBasedCompensationExpenseUnderAllProgramsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fcdef-d10b-7bd6-925d-11f2826bc9bd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fcdef-d10b-7c6c-ae0b-9c296f07c5f2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fcdef-d10b-7bd6-925d-11f2826bc9bd" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fcdef-d10b-7c6c-ae0b-9c296f07c5f2" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_019fcdef-d10b-7bd2-bb61-e3fdb0279cc3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fcdef-d10b-7c6c-ae0b-9c296f07c5f2" xlink:to="loc_us-gaap_AwardTypeAxis_019fcdef-d10b-7bd2-bb61-e3fdb0279cc3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fcdef-d10b-7bd2-bb61-e3fdb0279cc3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_019fcdef-d10b-7bd2-bb61-e3fdb0279cc3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fcdef-d10b-7bd2-bb61-e3fdb0279cc3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fcdef-d10b-7d64-88b8-a446223322e9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_019fcdef-d10b-7bd2-bb61-e3fdb0279cc3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fcdef-d10b-7d64-88b8-a446223322e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_LiabilityAwardsMember_019fcdef-d10b-7995-a6a5-b01ec8648c55" xlink:href="lnw-20260930.xsd#lnw_LiabilityAwardsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fcdef-d10b-7d64-88b8-a446223322e9" xlink:to="loc_lnw_LiabilityAwardsMember_019fcdef-d10b-7995-a6a5-b01ec8648c55" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_019fcdef-d10b-7195-b635-5714d969c25f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fcdef-d10b-7bd6-925d-11f2826bc9bd" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_019fcdef-d10b-7195-b635-5714d969c25f" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/StockholdersEquityRestrictedStockUnitsDetails" xlink:type="simple" xlink:href="lnw-20260930.xsd#StockholdersEquityRestrictedStockUnitsDetails"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/StockholdersEquityRestrictedStockUnitsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fcdef-d10b-7e77-9958-969e9cdc2558" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fcdef-d10b-7401-aefb-bc01901678d6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fcdef-d10b-7e77-9958-969e9cdc2558" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fcdef-d10b-7401-aefb-bc01901678d6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_019fcdef-d10b-7535-967a-ed5c75769a2c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fcdef-d10b-7401-aefb-bc01901678d6" xlink:to="loc_us-gaap_AwardTypeAxis_019fcdef-d10b-7535-967a-ed5c75769a2c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fcdef-d10b-7535-967a-ed5c75769a2c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_019fcdef-d10b-7535-967a-ed5c75769a2c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fcdef-d10b-7535-967a-ed5c75769a2c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fcdef-d10b-7387-bfba-fa1977cc36d2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_019fcdef-d10b-7535-967a-ed5c75769a2c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fcdef-d10b-7387-bfba-fa1977cc36d2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_019fcdef-d10b-7712-891a-1c8e4052b65d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fcdef-d10b-7387-bfba-fa1977cc36d2" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_019fcdef-d10b-7712-891a-1c8e4052b65d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019fcdef-d10b-7825-83cb-8bcac17d3777" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fcdef-d10b-7e77-9958-969e9cdc2558" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019fcdef-d10b-7825-83cb-8bcac17d3777" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_019fcdef-d10b-7c15-8f42-faa7ede54130" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019fcdef-d10b-7825-83cb-8bcac17d3777" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_019fcdef-d10b-7c15-8f42-faa7ede54130" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_019fcdef-d10b-7ac3-bfd4-2ebc161f6128" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019fcdef-d10b-7825-83cb-8bcac17d3777" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_019fcdef-d10b-7ac3-bfd4-2ebc161f6128" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_019fcdef-d10b-75f8-a21c-5540259ef331" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019fcdef-d10b-7825-83cb-8bcac17d3777" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_019fcdef-d10b-75f8-a21c-5540259ef331" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_019fcdef-d10b-7084-a3ad-5bcc682bc069" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019fcdef-d10b-7825-83cb-8bcac17d3777" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_019fcdef-d10b-7084-a3ad-5bcc682bc069" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_019fcdef-d10b-7c84-afa3-1b718d193539" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_019fcdef-d10b-79e2-9ab1-3b94b5fb34fc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fcdef-d10b-7e77-9958-969e9cdc2558" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_019fcdef-d10b-79e2-9ab1-3b94b5fb34fc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_019fcdef-d10b-7e94-aea8-e5eecd7c8215" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_019fcdef-d10b-79e2-9ab1-3b94b5fb34fc" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_019fcdef-d10b-7e94-aea8-e5eecd7c8215" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_019fcdef-d10b-768c-aa38-92dcc64a590b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_019fcdef-d10b-79e2-9ab1-3b94b5fb34fc" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_019fcdef-d10b-768c-aa38-92dcc64a590b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_019fcdef-d10b-7d92-85e1-45c98bcd00a1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_019fcdef-d10b-79e2-9ab1-3b94b5fb34fc" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_019fcdef-d10b-7d92-85e1-45c98bcd00a1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_019fcdef-d10b-7c6d-b083-dbdb9b91dfff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_019fcdef-d10b-79e2-9ab1-3b94b5fb34fc" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_019fcdef-d10b-7c6d-b083-dbdb9b91dfff" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_019fcdef-d10b-7727-8251-bef483a0d9c3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/StockholdersEquityAdditionalInformationDetails" xlink:type="simple" xlink:href="lnw-20260930.xsd#StockholdersEquityAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/StockholdersEquityAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fcdef-d10b-7930-b324-5f8fadf586b4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fcdef-d10b-7088-be31-79c6db514277" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fcdef-d10b-7930-b324-5f8fadf586b4" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fcdef-d10b-7088-be31-79c6db514277" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_019fcdef-d10b-7365-bf2a-f7bc01174fef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fcdef-d10b-7088-be31-79c6db514277" xlink:to="loc_us-gaap_AwardTypeAxis_019fcdef-d10b-7365-bf2a-f7bc01174fef" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fcdef-d10b-7365-bf2a-f7bc01174fef_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_019fcdef-d10b-7365-bf2a-f7bc01174fef" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fcdef-d10b-7365-bf2a-f7bc01174fef_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fcdef-d10b-7663-b662-a5e0e20656c3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_019fcdef-d10b-7365-bf2a-f7bc01174fef" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fcdef-d10b-7663-b662-a5e0e20656c3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_019fcdef-d10b-7e2a-a184-9f141ccd374a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fcdef-d10b-7663-b662-a5e0e20656c3" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_019fcdef-d10b-7e2a-a184-9f141ccd374a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ShareRepurchaseProgramAxis_019fcdef-d10b-7a50-be2c-e148dabbe7a4" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ShareRepurchaseProgramAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fcdef-d10b-7088-be31-79c6db514277" xlink:to="loc_srt_ShareRepurchaseProgramAxis_019fcdef-d10b-7a50-be2c-e148dabbe7a4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ShareRepurchaseProgramDomain_019fcdef-d10b-7a50-be2c-e148dabbe7a4_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ShareRepurchaseProgramDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ShareRepurchaseProgramAxis_019fcdef-d10b-7a50-be2c-e148dabbe7a4" xlink:to="loc_srt_ShareRepurchaseProgramDomain_019fcdef-d10b-7a50-be2c-e148dabbe7a4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ShareRepurchaseProgramDomain_019fcdef-d10b-797a-861e-f1a2c2f4c811" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ShareRepurchaseProgramDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ShareRepurchaseProgramAxis_019fcdef-d10b-7a50-be2c-e148dabbe7a4" xlink:to="loc_srt_ShareRepurchaseProgramDomain_019fcdef-d10b-797a-861e-f1a2c2f4c811" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_ShareRepurchaseProgramJune2024Member_019fcdef-d10b-788a-871a-bc550aa05039" xlink:href="lnw-20260930.xsd#lnw_ShareRepurchaseProgramJune2024Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ShareRepurchaseProgramDomain_019fcdef-d10b-797a-861e-f1a2c2f4c811" xlink:to="loc_lnw_ShareRepurchaseProgramJune2024Member_019fcdef-d10b-788a-871a-bc550aa05039" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_019fcdef-d10b-7dc1-9896-52ee72fd62ad" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fcdef-d10b-7930-b324-5f8fadf586b4" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_019fcdef-d10b-7dc1-9896-52ee72fd62ad" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_019fcdef-d10b-7ef1-b6c0-708efd268601" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fcdef-d10b-7930-b324-5f8fadf586b4" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_019fcdef-d10b-7ef1-b6c0-708efd268601" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_019fcdef-d10b-718e-9af2-314083152ad2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fcdef-d10b-7930-b324-5f8fadf586b4" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_019fcdef-d10b-718e-9af2-314083152ad2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_019fcdef-d10b-7ca5-b359-1d261c510f3d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fcdef-d10b-7930-b324-5f8fadf586b4" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_019fcdef-d10b-7ca5-b359-1d261c510f3d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StockRepurchaseProgramAuthorizedAmount1_019fcdef-d10b-7f7d-8123-e8f4b656efb0" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StockRepurchaseProgramAuthorizedAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fcdef-d10b-7930-b324-5f8fadf586b4" xlink:to="loc_srt_StockRepurchaseProgramAuthorizedAmount1_019fcdef-d10b-7f7d-8123-e8f4b656efb0" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_019fcdef-d10b-7204-85fc-dc9f83d200b6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fcdef-d10b-7930-b324-5f8fadf586b4" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_019fcdef-d10b-7204-85fc-dc9f83d200b6" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_019fcdef-d10b-7bc1-b455-2dd6802c304b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fcdef-d10b-7930-b324-5f8fadf586b4" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_019fcdef-d10b-7bc1-b455-2dd6802c304b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_StockRepurchaseExciseTaxesPaid_019fcdef-d10b-710d-bdb6-2380bb5cc09d" xlink:href="lnw-20260930.xsd#lnw_StockRepurchaseExciseTaxesPaid"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fcdef-d10b-7930-b324-5f8fadf586b4" xlink:to="loc_lnw_StockRepurchaseExciseTaxesPaid_019fcdef-d10b-710d-bdb6-2380bb5cc09d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_01a19d68-4b82-7870-bb37-7c2ba6d74d3f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockSharesAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fcdef-d10b-7930-b324-5f8fadf586b4" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_01a19d68-4b82-7870-bb37-7c2ba6d74d3f" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_01a19d67-ed2c-7f66-91b2-72fc90e738c3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fcdef-d10b-7930-b324-5f8fadf586b4" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_01a19d67-ed2c-7f66-91b2-72fc90e738c3" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_EntityCommonStockSharesHeldInTrust_01a1a38a-711d-7a2f-bd42-b4cf025a8a31" xlink:href="lnw-20260930.xsd#lnw_EntityCommonStockSharesHeldInTrust"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fcdef-d10b-7930-b324-5f8fadf586b4" xlink:to="loc_lnw_EntityCommonStockSharesHeldInTrust_01a1a38a-711d-7a2f-bd42-b4cf025a8a31" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lnw.com/role/LitigationDetails" xlink:type="simple" xlink:href="lnw-20260930.xsd#LitigationDetails"/>
  <link:definitionLink xlink:role="http://www.lnw.com/role/LitigationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesLineItems_019fcdef-d10b-7e58-b4e2-fea15e085f1a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LossContingenciesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesTable_019fcdef-d10b-7f56-8a09-07d7ccbc4c25" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LossContingenciesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LossContingenciesLineItems_019fcdef-d10b-7e58-b4e2-fea15e085f1a" xlink:to="loc_us-gaap_LossContingenciesTable_019fcdef-d10b-7f56-8a09-07d7ccbc4c25" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_019fcdef-d10b-794f-bf25-fd4b41bdf658" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_019fcdef-d10b-7f56-8a09-07d7ccbc4c25" xlink:to="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_019fcdef-d10b-794f-bf25-fd4b41bdf658" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNatureDomain_019fcdef-d10b-794f-bf25-fd4b41bdf658_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LossContingencyNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_019fcdef-d10b-794f-bf25-fd4b41bdf658" xlink:to="loc_us-gaap_LossContingencyNatureDomain_019fcdef-d10b-794f-bf25-fd4b41bdf658_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNatureDomain_019fcdef-d10b-7f3e-a4bf-2175f9ddc973" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LossContingencyNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_019fcdef-d10b-794f-bf25-fd4b41bdf658" xlink:to="loc_us-gaap_LossContingencyNatureDomain_019fcdef-d10b-7f3e-a4bf-2175f9ddc973" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeOfBusinessRevenueMember_019fcdef-d10b-7592-84b2-80f4848753a1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GuaranteeOfBusinessRevenueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingencyNatureDomain_019fcdef-d10b-7f3e-a4bf-2175f9ddc973" xlink:to="loc_us-gaap_GuaranteeOfBusinessRevenueMember_019fcdef-d10b-7592-84b2-80f4848753a1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceGuaranteeMember_019fcdef-d10b-7d3b-815e-c7e00ac1e8cc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PerformanceGuaranteeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingencyNatureDomain_019fcdef-d10b-7f3e-a4bf-2175f9ddc973" xlink:to="loc_us-gaap_PerformanceGuaranteeMember_019fcdef-d10b-7d3b-815e-c7e00ac1e8cc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseAxis_019fcdef-d10b-742d-b58e-71b823715ee9" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_LitigationCaseAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_019fcdef-d10b-7f56-8a09-07d7ccbc4c25" xlink:to="loc_srt_LitigationCaseAxis_019fcdef-d10b-742d-b58e-71b823715ee9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_019fcdef-d10b-742d-b58e-71b823715ee9_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_LitigationCaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_LitigationCaseAxis_019fcdef-d10b-742d-b58e-71b823715ee9" xlink:to="loc_srt_LitigationCaseTypeDomain_019fcdef-d10b-742d-b58e-71b823715ee9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_019fcdef-d10b-7c31-b002-6215fd7a6e67" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_LitigationCaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_LitigationCaseAxis_019fcdef-d10b-742d-b58e-71b823715ee9" xlink:to="loc_srt_LitigationCaseTypeDomain_019fcdef-d10b-7c31-b002-6215fd7a6e67" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_EcosaludMember_019fcdef-d10b-7408-8806-568b9a1f2136" xlink:href="lnw-20260930.xsd#lnw_EcosaludMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_019fcdef-d10b-7c31-b002-6215fd7a6e67" xlink:to="loc_lnw_EcosaludMember_019fcdef-d10b-7408-8806-568b9a1f2136" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019fcdef-d10b-7337-9307-7179c3453b6e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_019fcdef-d10b-7f56-8a09-07d7ccbc4c25" xlink:to="loc_dei_LegalEntityAxis_019fcdef-d10b-7337-9307-7179c3453b6e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fcdef-d10b-7337-9307-7179c3453b6e_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019fcdef-d10b-7337-9307-7179c3453b6e" xlink:to="loc_dei_EntityDomain_019fcdef-d10b-7337-9307-7179c3453b6e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fcdef-d10b-777d-9935-2d46d1c2e478" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019fcdef-d10b-7337-9307-7179c3453b6e" xlink:to="loc_dei_EntityDomain_019fcdef-d10b-777d-9935-2d46d1c2e478" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_CzechRepublicBarcrestMember_019fcdef-d10b-7993-bc43-bc74a1bfc934" xlink:href="lnw-20260930.xsd#lnw_CzechRepublicBarcrestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fcdef-d10b-777d-9935-2d46d1c2e478" xlink:to="loc_lnw_CzechRepublicBarcrestMember_019fcdef-d10b-7993-bc43-bc74a1bfc934" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyAccrualAtCarryingValue_019fcdef-d10b-7cf2-9696-f4212eec75e6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LossContingencyAccrualAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_019fcdef-d10b-7e58-b4e2-fea15e085f1a" xlink:to="loc_us-gaap_LossContingencyAccrualAtCarryingValue_019fcdef-d10b-7cf2-9696-f4212eec75e6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyRangeOfPossibleLossPortionNotAccrued_019fcdef-d10b-7044-b5bc-8ca04f795c17" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LossContingencyRangeOfPossibleLossPortionNotAccrued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_019fcdef-d10b-7e58-b4e2-fea15e085f1a" xlink:to="loc_us-gaap_LossContingencyRangeOfPossibleLossPortionNotAccrued_019fcdef-d10b-7044-b5bc-8ca04f795c17" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyEstimateOfPossibleLoss_019fcdef-d10b-7362-9f25-f992321d6a19" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LossContingencyEstimateOfPossibleLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_019fcdef-d10b-7e58-b4e2-fea15e085f1a" xlink:to="loc_us-gaap_LossContingencyEstimateOfPossibleLoss_019fcdef-d10b-7362-9f25-f992321d6a19" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_LossContingencyDepositOfSuretyBond_019fcdef-d10b-7a33-958e-40c1917933b6" xlink:href="lnw-20260930.xsd#lnw_LossContingencyDepositOfSuretyBond"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_019fcdef-d10b-7e58-b4e2-fea15e085f1a" xlink:to="loc_lnw_LossContingencyDepositOfSuretyBond_019fcdef-d10b-7a33-958e-40c1917933b6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationSettlementAmountAwardedToOtherParty_019fcdef-d10b-71ea-afc2-02cfd95a69b1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LitigationSettlementAmountAwardedToOtherParty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_019fcdef-d10b-7e58-b4e2-fea15e085f1a" xlink:to="loc_us-gaap_LitigationSettlementAmountAwardedToOtherParty_019fcdef-d10b-71ea-afc2-02cfd95a69b1" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_LossContingencyThirdPartyErroneousWinningJackpotFaceAmount_019fcdef-d10b-7de8-8312-f699f3245247" xlink:href="lnw-20260930.xsd#lnw_LossContingencyThirdPartyErroneousWinningJackpotFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_019fcdef-d10b-7e58-b4e2-fea15e085f1a" xlink:to="loc_lnw_LossContingencyThirdPartyErroneousWinningJackpotFaceAmount_019fcdef-d10b-7de8-8312-f699f3245247" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_lnw_LossContingencyThirdPartyLoss_019fcdef-d10b-797a-847c-9e3da0ced06c" xlink:href="lnw-20260930.xsd#lnw_LossContingencyThirdPartyLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_019fcdef-d10b-7e58-b4e2-fea15e085f1a" xlink:to="loc_lnw_LossContingencyThirdPartyLoss_019fcdef-d10b-797a-847c-9e3da0ced06c" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationSettlementExpense_019fcdef-d10b-70f9-ad29-6ec757dc0104" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LitigationSettlementExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_019fcdef-d10b-7e58-b4e2-fea15e085f1a" xlink:to="loc_us-gaap_LitigationSettlementExpense_019fcdef-d10b-70f9-ad29-6ec757dc0104" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://fasb.org/srt/role/srt-eedm/ExtensibleEnumerationLists" xlink:type="simple" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-roles-2026.xsd#eedm1"/>
  <link:definitionLink xlink:role="http://fasb.org/srt/role/srt-eedm/ExtensibleEnumerationLists" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrentAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent" xlink:type="arc" order="41"/>
  </link:definitionLink>
</link:linkbase>
