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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019e6b10-a5d7-7bb8-b6a6-919be94ed457,g:e506da43-9679-4184-8102-5cb98bb0b118-->
<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.diebold.com/role/STATEMENTOFEARNINGSUNAUDITED" xlink:type="simple" xlink:href="dbd-20260630.xsd#STATEMENTOFEARNINGSUNAUDITED"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/STATEMENTOFEARNINGSUNAUDITED" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019e6b10-a69f-7a4c-9954-4442def4e859" 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_019e6b10-a69f-7f47-9aca-e96e2d4abcfd" 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_019e6b10-a69f-7a4c-9954-4442def4e859" xlink:to="loc_us-gaap_StatementTable_019e6b10-a69f-7f47-9aca-e96e2d4abcfd" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019e6b10-a69f-735b-8b1a-72cee4ebecd4" 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_019e6b10-a69f-7f47-9aca-e96e2d4abcfd" xlink:to="loc_srt_ProductOrServiceAxis_019e6b10-a69f-735b-8b1a-72cee4ebecd4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019e6b10-a69f-735b-8b1a-72cee4ebecd4_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_019e6b10-a69f-735b-8b1a-72cee4ebecd4" xlink:to="loc_srt_ProductsAndServicesDomain_019e6b10-a69f-735b-8b1a-72cee4ebecd4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019e6b10-a69f-7861-acf5-43a1fbc93f49" 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_019e6b10-a69f-735b-8b1a-72cee4ebecd4" xlink:to="loc_srt_ProductsAndServicesDomain_019e6b10-a69f-7861-acf5-43a1fbc93f49" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ServiceMember_019e6b10-a69f-711b-8fef-d71182832ca4" 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_019e6b10-a69f-7861-acf5-43a1fbc93f49" xlink:to="loc_us-gaap_ServiceMember_019e6b10-a69f-711b-8fef-d71182832ca4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductMember_019e6b10-a69f-7fa0-9521-ff6a8d873e6c" 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_019e6b10-a69f-7861-acf5-43a1fbc93f49" xlink:to="loc_us-gaap_ProductMember_019e6b10-a69f-7fa0-9521-ff6a8d873e6c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesAbstract_019e6b10-a69f-7fd2-94cf-b779d5997bde" 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_019e6b10-a69f-7a4c-9954-4442def4e859" xlink:to="loc_us-gaap_RevenuesAbstract_019e6b10-a69f-7fd2-94cf-b779d5997bde" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019e6b10-a69f-7a4d-80eb-08cd2978a0f5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_019e6b10-a69f-7fd2-94cf-b779d5997bde" xlink:to="loc_us-gaap_Revenues_019e6b10-a69f-7a4d-80eb-08cd2978a0f5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSoldAbstract_019e6b10-a69f-72cd-948a-80608a4839ce" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServicesSoldAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e6b10-a69f-7a4c-9954-4442def4e859" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSoldAbstract_019e6b10-a69f-72cd-948a-80608a4839ce" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019e6b10-a69f-7904-91c1-d4b9b1744be4" 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_CostOfGoodsAndServicesSoldAbstract_019e6b10-a69f-72cd-948a-80608a4839ce" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019e6b10-a69f-7904-91c1-d4b9b1744be4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_019e6b10-a69f-7f9b-9f89-ca2615e6775e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GrossProfit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e6b10-a69f-7a4c-9954-4442def4e859" xlink:to="loc_us-gaap_GrossProfit_019e6b10-a69f-7f9b-9f89-ca2615e6775e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019e6b10-a69f-7767-a434-03111a22a43a" 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_StatementLineItems_019e6b10-a69f-7a4c-9954-4442def4e859" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019e6b10-a69f-7767-a434-03111a22a43a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_019e6b10-a69f-7b47-bc61-75be96c166d4" 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_StatementLineItems_019e6b10-a69f-7a4c-9954-4442def4e859" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_019e6b10-a69f-7b47-bc61-75be96c166d4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncomeExpenseNet_019e6b10-a69f-7803-a22f-510bef95a655" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherOperatingIncomeExpenseNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e6b10-a69f-7a4c-9954-4442def4e859" xlink:to="loc_us-gaap_OtherOperatingIncomeExpenseNet_019e6b10-a69f-7803-a22f-510bef95a655" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_019e6b10-a69f-744d-8c0b-db5b4c9e1ee7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e6b10-a69f-7a4c-9954-4442def4e859" xlink:to="loc_us-gaap_OperatingExpenses_019e6b10-a69f-744d-8c0b-db5b4c9e1ee7" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019e6b10-a69f-75bc-9e75-997ba869d29f" 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_019e6b10-a69f-7a4c-9954-4442def4e859" xlink:to="loc_us-gaap_OperatingIncomeLoss_019e6b10-a69f-75bc-9e75-997ba869d29f" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseAbstract_019e6b10-a69f-707b-bdd1-a4292989dbab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonoperatingIncomeExpenseAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e6b10-a69f-7a4c-9954-4442def4e859" xlink:to="loc_us-gaap_NonoperatingIncomeExpenseAbstract_019e6b10-a69f-707b-bdd1-a4292989dbab" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeNonoperating_019e6b10-a69f-7aac-9122-87dbb5fa4cac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIncomeNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_019e6b10-a69f-707b-bdd1-a4292989dbab" xlink:to="loc_us-gaap_InvestmentIncomeNonoperating_019e6b10-a69f-7aac-9122-87dbb5fa4cac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_019e6b10-a69f-72fd-916b-d83fd1c437db" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_019e6b10-a69f-707b-bdd1-a4292989dbab" xlink:to="loc_us-gaap_InterestExpenseNonoperating_019e6b10-a69f-72fd-916b-d83fd1c437db" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_019e6b10-a69f-7de3-a981-d00df599879c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_019e6b10-a69f-707b-bdd1-a4292989dbab" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_019e6b10-a69f-7de3-a981-d00df599879c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_019e6b10-a69f-7ffc-922a-98d5c0149274" 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_us-gaap_NonoperatingIncomeExpenseAbstract_019e6b10-a69f-707b-bdd1-a4292989dbab" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_019e6b10-a69f-7ffc-922a-98d5c0149274" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_019e6b10-a69f-7644-a762-39510eecbc54" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e6b10-a69f-7a4c-9954-4442def4e859" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_019e6b10-a69f-7644-a762-39510eecbc54" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019e6b10-a69f-7690-bb66-98727a7b2ca9" 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_019e6b10-a69f-7a4c-9954-4442def4e859" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019e6b10-a69f-7690-bb66-98727a7b2ca9" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_019e6b10-a69f-7d37-9502-3523daf2b36f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e6b10-a69f-7a4c-9954-4442def4e859" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_019e6b10-a69f-7d37-9502-3523daf2b36f" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019e6b10-a69f-7975-87ab-5ec2ee68b5be" 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_019e6b10-a69f-7a4c-9954-4442def4e859" xlink:to="loc_us-gaap_ProfitLoss_019e6b10-a69f-7975-87ab-5ec2ee68b5be" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_019e6b10-a69f-780f-b906-7b1f092423dd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e6b10-a69f-7a4c-9954-4442def4e859" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_019e6b10-a69f-780f-b906-7b1f092423dd" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019e6b10-a69f-7c44-9d72-c31fff7b8645" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e6b10-a69f-7a4c-9954-4442def4e859" xlink:to="loc_us-gaap_NetIncomeLoss_019e6b10-a69f-7c44-9d72-c31fff7b8645" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019e6b10-a69f-7552-8352-2c3ac736ba7d" 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_StatementLineItems_019e6b10-a69f-7a4c-9954-4442def4e859" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019e6b10-a69f-7552-8352-2c3ac736ba7d" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019e6b10-a69f-7ba4-92bf-26b30ded085c" 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_StatementLineItems_019e6b10-a69f-7a4c-9954-4442def4e859" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019e6b10-a69f-7ba4-92bf-26b30ded085c" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_019e6b10-a69f-77a6-b83e-cbc5e6f5f8b5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e6b10-a69f-7a4c-9954-4442def4e859" xlink:to="loc_us-gaap_EarningsPerShareAbstract_019e6b10-a69f-77a6-b83e-cbc5e6f5f8b5" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_019e6b10-a69f-7ff7-a979-78ce351da209" 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_EarningsPerShareAbstract_019e6b10-a69f-77a6-b83e-cbc5e6f5f8b5" xlink:to="loc_us-gaap_EarningsPerShareBasic_019e6b10-a69f-7ff7-a979-78ce351da209" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_019e6b10-a69f-7094-a1f6-2760ea9a2c67" 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_EarningsPerShareAbstract_019e6b10-a69f-77a6-b83e-cbc5e6f5f8b5" xlink:to="loc_us-gaap_EarningsPerShareDiluted_019e6b10-a69f-7094-a1f6-2760ea9a2c67" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.diebold.com/role/STATEMENTOFCOMPREHENSIVEINCOMELOSSUNAUDITED" xlink:type="simple" xlink:href="dbd-20260630.xsd#STATEMENTOFCOMPREHENSIVEINCOMELOSSUNAUDITED"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/STATEMENTOFCOMPREHENSIVEINCOMELOSSUNAUDITED" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019e6b10-a69f-79b5-81a0-d3936dc72fcc" 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_019e6b10-a69f-7d13-96ba-20e428331226" 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_019e6b10-a69f-79b5-81a0-d3936dc72fcc" xlink:to="loc_us-gaap_StatementTable_019e6b10-a69f-7d13-96ba-20e428331226" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019e6b10-a69f-7964-86c0-677139098c89" 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_StatementTable_019e6b10-a69f-7d13-96ba-20e428331226" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019e6b10-a69f-7964-86c0-677139098c89" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e6b10-a69f-7964-86c0-677139098c89_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_019e6b10-a69f-7964-86c0-677139098c89" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e6b10-a69f-7964-86c0-677139098c89_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e6b10-a69f-79d4-8c44-dba2fc5667ea" 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_019e6b10-a69f-7964-86c0-677139098c89" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e6b10-a69f-79d4-8c44-dba2fc5667ea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeForwardMember_019e6b10-a69f-7206-bf7a-55e0a00f33d2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignExchangeForwardMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e6b10-a69f-79d4-8c44-dba2fc5667ea" xlink:to="loc_us-gaap_ForeignExchangeForwardMember_019e6b10-a69f-7206-bf7a-55e0a00f33d2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019e6b10-a69f-7e78-8480-b6724344638e" 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_019e6b10-a69f-79b5-81a0-d3936dc72fcc" xlink:to="loc_us-gaap_ProfitLoss_019e6b10-a69f-7e78-8480-b6724344638e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_019e6b10-a69f-764e-b043-50283cb834a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e6b10-a69f-79b5-81a0-d3936dc72fcc" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_019e6b10-a69f-764e-b043-50283cb834a2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_019e6b10-a69f-79c9-a29f-b7adf80e819f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_019e6b10-a69f-764e-b043-50283cb834a2" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_019e6b10-a69f-79c9-a29f-b7adf80e819f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_019e6b10-a69f-7f3f-8ef2-259a8e62e7fb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_019e6b10-a69f-764e-b043-50283cb834a2" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_019e6b10-a69f-7f3f-8ef2-259a8e62e7fb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax_019e6b10-a69f-7405-8729-d195caec92e8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_019e6b10-a69f-764e-b043-50283cb834a2" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax_019e6b10-a69f-7405-8729-d195caec92e8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeOtherNetOfTax_019e6b10-a69f-71d0-8a8b-ffe78f836406" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeOtherNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_019e6b10-a69f-764e-b043-50283cb834a2" xlink:to="loc_us-gaap_OtherComprehensiveIncomeOtherNetOfTax_019e6b10-a69f-71d0-8a8b-ffe78f836406" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019e6b10-a69f-7b15-866e-a550c18e7795" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_019e6b10-a69f-764e-b043-50283cb834a2" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019e6b10-a69f-7b15-866e-a550c18e7795" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019e6b10-a69f-7b2e-bc26-519249f18a6e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e6b10-a69f-79b5-81a0-d3936dc72fcc" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019e6b10-a69f-7b2e-bc26-519249f18a6e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_019e6b10-a69f-7359-9104-44acdfb0e47c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e6b10-a69f-79b5-81a0-d3936dc72fcc" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_019e6b10-a69f-7359-9104-44acdfb0e47c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_019e6b10-a69f-7173-ba5d-1808d5d21471" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e6b10-a69f-79b5-81a0-d3936dc72fcc" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_019e6b10-a69f-7173-ba5d-1808d5d21471" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.diebold.com/role/STATEMENTOFCOMPREHENSIVEINCOMELOSSUNAUDITEDParenthetical" xlink:type="simple" xlink:href="dbd-20260630.xsd#STATEMENTOFCOMPREHENSIVEINCOMELOSSUNAUDITEDParenthetical"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/STATEMENTOFCOMPREHENSIVEINCOMELOSSUNAUDITEDParenthetical" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019e6b10-a69f-79e3-9c0b-0c8bb6fa9dd7" 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_019e6b10-a69f-7227-ba5d-36011b92380d" 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_019e6b10-a69f-79e3-9c0b-0c8bb6fa9dd7" xlink:to="loc_us-gaap_StatementTable_019e6b10-a69f-7227-ba5d-36011b92380d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019e6b10-a69f-71a4-86c6-c86299bf05e0" 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_StatementTable_019e6b10-a69f-7227-ba5d-36011b92380d" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019e6b10-a69f-71a4-86c6-c86299bf05e0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e6b10-a69f-71a4-86c6-c86299bf05e0_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_019e6b10-a69f-71a4-86c6-c86299bf05e0" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e6b10-a69f-71a4-86c6-c86299bf05e0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e6b10-a69f-7426-a5e3-83f454866348" 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_019e6b10-a69f-71a4-86c6-c86299bf05e0" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e6b10-a69f-7426-a5e3-83f454866348" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeForwardMember_019e6b10-a69f-7ba5-9800-d0cba206233a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignExchangeForwardMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e6b10-a69f-7426-a5e3-83f454866348" xlink:to="loc_us-gaap_ForeignExchangeForwardMember_019e6b10-a69f-7ba5-9800-d0cba206233a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax_019e6b10-a69f-7c4f-9e05-516316d0e75d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e6b10-a69f-79e3-9c0b-0c8bb6fa9dd7" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax_019e6b10-a69f-7c4f-9e05-516316d0e75d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax_019e6b10-a69f-7011-bc88-281beaec0c7d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e6b10-a69f-79e3-9c0b-0c8bb6fa9dd7" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax_019e6b10-a69f-7011-bc88-281beaec0c7d" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.diebold.com/role/STATEMENTOFCHANGESINSHAREHOLDERSEQUITYUNAUDITED" xlink:type="simple" xlink:href="dbd-20260630.xsd#STATEMENTOFCHANGESINSHAREHOLDERSEQUITYUNAUDITED"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/STATEMENTOFCHANGESINSHAREHOLDERSEQUITYUNAUDITED" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019e6b10-a69f-777e-87fb-f0b3739a5ce9" 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_019e6b10-a69f-7c8d-a1f2-f4d5dee13ab6" 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_019e6b10-a69f-777e-87fb-f0b3739a5ce9" xlink:to="loc_us-gaap_StatementTable_019e6b10-a69f-7c8d-a1f2-f4d5dee13ab6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019e6b10-a69f-7abe-92bb-0e78ba8b983e" 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_StatementTable_019e6b10-a69f-7c8d-a1f2-f4d5dee13ab6" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019e6b10-a69f-7abe-92bb-0e78ba8b983e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e6b10-a69f-7abe-92bb-0e78ba8b983e_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_019e6b10-a69f-7abe-92bb-0e78ba8b983e" xlink:to="loc_us-gaap_EquityComponentDomain_019e6b10-a69f-7abe-92bb-0e78ba8b983e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e6b10-a69f-72a3-a3f9-b8fa9e703a04" 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_019e6b10-a69f-7abe-92bb-0e78ba8b983e" xlink:to="loc_us-gaap_EquityComponentDomain_019e6b10-a69f-72a3-a3f9-b8fa9e703a04" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ParentMember_019e6b10-a69f-776f-b96c-723f9938a5d5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e6b10-a69f-72a3-a3f9-b8fa9e703a04" xlink:to="loc_us-gaap_ParentMember_019e6b10-a69f-776f-b96c-723f9938a5d5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_019e6b10-a69f-7b0b-a4d3-efa1170dda0e" 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_ParentMember_019e6b10-a69f-776f-b96c-723f9938a5d5" xlink:to="loc_us-gaap_CommonStockMember_019e6b10-a69f-7b0b-a4d3-efa1170dda0e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e6b10-a69f-7172-b701-8679eea681aa" 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_ParentMember_019e6b10-a69f-776f-b96c-723f9938a5d5" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e6b10-a69f-7172-b701-8679eea681aa" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_019e6b10-a69f-7f5b-97c4-36616c7ef6f1" 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_ParentMember_019e6b10-a69f-776f-b96c-723f9938a5d5" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_019e6b10-a69f-7f5b-97c4-36616c7ef6f1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_019e6b10-a69f-7080-9392-9d90e90e9f34" 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_ParentMember_019e6b10-a69f-776f-b96c-723f9938a5d5" xlink:to="loc_us-gaap_RetainedEarningsMember_019e6b10-a69f-7080-9392-9d90e90e9f34" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_019e6b10-a69f-7e12-8a1c-beed25ff0033" 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_ParentMember_019e6b10-a69f-776f-b96c-723f9938a5d5" xlink:to="loc_us-gaap_TreasuryStockCommonMember_019e6b10-a69f-7e12-8a1c-beed25ff0033" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_019e6b10-a69f-75e5-ab79-1ccfb924f8b8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e6b10-a69f-72a3-a3f9-b8fa9e703a04" xlink:to="loc_us-gaap_NoncontrollingInterestMember_019e6b10-a69f-75e5-ab79-1ccfb924f8b8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e6b10-a69f-762a-a4dd-e2245be8a06e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e6b10-a69f-777e-87fb-f0b3739a5ce9" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e6b10-a69f-762a-a4dd-e2245be8a06e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019e6b10-a69f-7551-922b-4e270e533df5" 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_IncreaseDecreaseInStockholdersEquityRollForward_019e6b10-a69f-762a-a4dd-e2245be8a06e" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019e6b10-a69f-7551-922b-4e270e533df5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019e6b10-a69f-7f13-8685-6d7a4f12d05a" 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_IncreaseDecreaseInStockholdersEquityRollForward_019e6b10-a69f-762a-a4dd-e2245be8a06e" xlink:to="loc_us-gaap_ProfitLoss_019e6b10-a69f-7f13-8685-6d7a4f12d05a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019e6b10-a69f-78b4-9265-014cdd27ab17" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e6b10-a69f-762a-a4dd-e2245be8a06e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019e6b10-a69f-78b4-9265-014cdd27ab17" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_019e6b10-a69f-7e89-a86c-90a0fa0ebad6" 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_IncreaseDecreaseInStockholdersEquityRollForward_019e6b10-a69f-762a-a4dd-e2245be8a06e" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_019e6b10-a69f-7e89-a86c-90a0fa0ebad6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_019e6b10-a69f-7dbc-8514-e1030f7ed7e7" 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_IncreaseDecreaseInStockholdersEquityRollForward_019e6b10-a69f-762a-a4dd-e2245be8a06e" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_019e6b10-a69f-7dbc-8514-e1030f7ed7e7" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_019e6b10-a69f-7f0c-91d1-8083166e3b07" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e6b10-a69f-762a-a4dd-e2245be8a06e" xlink:to="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_019e6b10-a69f-7f0c-91d1-8083166e3b07" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019e6b10-a69f-7ff3-bbf7-e2b2a272f483" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.diebold.com/role/InventoriesDetails" xlink:type="simple" xlink:href="dbd-20260630.xsd#InventoriesDetails"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/InventoriesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryLineItems_019e6b10-a69f-76ba-b2cf-316a0489e5c0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryCurrentTable_019e6b10-a69f-7c7d-813f-1560b9f63479" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryCurrentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_InventoryLineItems_019e6b10-a69f-76ba-b2cf-316a0489e5c0" xlink:to="loc_us-gaap_InventoryCurrentTable_019e6b10-a69f-7c7d-813f-1560b9f63479" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesInventoryAxis_019e6b10-a69f-7743-85a2-4dec148232a9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PublicUtilitiesInventoryAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_InventoryCurrentTable_019e6b10-a69f-7c7d-813f-1560b9f63479" xlink:to="loc_us-gaap_PublicUtilitiesInventoryAxis_019e6b10-a69f-7743-85a2-4dec148232a9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_019e6b10-a69f-7743-85a2-4dec148232a9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PublicUtilitiesInventoryTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PublicUtilitiesInventoryAxis_019e6b10-a69f-7743-85a2-4dec148232a9" xlink:to="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_019e6b10-a69f-7743-85a2-4dec148232a9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_019e6b10-a69f-7c40-978e-f85f9867e883" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PublicUtilitiesInventoryTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PublicUtilitiesInventoryAxis_019e6b10-a69f-7743-85a2-4dec148232a9" xlink:to="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_019e6b10-a69f-7c40-978e-f85f9867e883" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductMember_019e6b10-a69f-7dfa-b3f1-5f3608ca2ecb" 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_us-gaap_PublicUtilitiesInventoryTypeDomain_019e6b10-a69f-7c40-978e-f85f9867e883" xlink:to="loc_us-gaap_ProductMember_019e6b10-a69f-7dfa-b3f1-5f3608ca2ecb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNetAbstract_019e6b10-a69f-796e-981c-6305b0834ade" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryNetAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_019e6b10-a69f-76ba-b2cf-316a0489e5c0" xlink:to="loc_us-gaap_InventoryNetAbstract_019e6b10-a69f-796e-981c-6305b0834ade" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWorkInProcessAndRawMaterialsNetOfReserves_019e6b10-a69f-7c91-a3b6-43e7c0146f64" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryWorkInProcessAndRawMaterialsNetOfReserves"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryNetAbstract_019e6b10-a69f-796e-981c-6305b0834ade" xlink:to="loc_us-gaap_InventoryWorkInProcessAndRawMaterialsNetOfReserves_019e6b10-a69f-7c91-a3b6-43e7c0146f64" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_019e6b10-a69f-7925-8531-251d15d135d3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryNetAbstract_019e6b10-a69f-796e-981c-6305b0834ade" xlink:to="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_019e6b10-a69f-7925-8531-251d15d135d3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_OtherInventoriesSparePartsNetOfReserves_019e6b10-a69f-7016-b849-f866893554b3" xlink:href="dbd-20260630.xsd#dbd_OtherInventoriesSparePartsNetOfReserves"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryNetAbstract_019e6b10-a69f-796e-981c-6305b0834ade" xlink:to="loc_dbd_OtherInventoriesSparePartsNetOfReserves_019e6b10-a69f-7016-b849-f866893554b3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_019e6b10-a69f-7aed-8e79-8499dd443905" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryNetAbstract_019e6b10-a69f-796e-981c-6305b0834ade" xlink:to="loc_us-gaap_InventoryNet_019e6b10-a69f-7aed-8e79-8499dd443905" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_InventoryIncreaseDecreaseDuringPeriod_019f89f1-ac6b-7643-84bf-a2a85627426c" xlink:href="dbd-20260630.xsd#dbd_InventoryIncreaseDecreaseDuringPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_019e6b10-a69f-76ba-b2cf-316a0489e5c0" xlink:to="loc_dbd_InventoryIncreaseDecreaseDuringPeriod_019f89f1-ac6b-7643-84bf-a2a85627426c" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.diebold.com/role/GoodwillandOtherIntangibleAssetsScheduleofGoodwillDetails" xlink:type="simple" xlink:href="dbd-20260630.xsd#GoodwillandOtherIntangibleAssetsScheduleofGoodwillDetails"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/GoodwillandOtherIntangibleAssetsScheduleofGoodwillDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillLineItems_019e6b10-a6a0-7384-85be-b0bb0fa79b53" 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_019e6b10-a6a0-75fd-942f-9277ed65b8e3" 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_019e6b10-a6a0-7384-85be-b0bb0fa79b53" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_019e6b10-a6a0-75fd-942f-9277ed65b8e3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019e6b10-a6a0-78af-84d9-971681bf85fd" 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_019e6b10-a6a0-75fd-942f-9277ed65b8e3" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019e6b10-a6a0-78af-84d9-971681bf85fd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e6b10-a6a0-78af-84d9-971681bf85fd_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_019e6b10-a6a0-78af-84d9-971681bf85fd" xlink:to="loc_us-gaap_SegmentDomain_019e6b10-a6a0-78af-84d9-971681bf85fd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e6b10-a6a0-7b3f-9609-c7dbf10e3405" 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_019e6b10-a6a0-78af-84d9-971681bf85fd" xlink:to="loc_us-gaap_SegmentDomain_019e6b10-a6a0-7b3f-9609-c7dbf10e3405" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_BankingSegmentMember_019e6b10-a6a0-745f-bae8-9e6273fe22b1" xlink:href="dbd-20260630.xsd#dbd_BankingSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e6b10-a6a0-7b3f-9609-c7dbf10e3405" xlink:to="loc_dbd_BankingSegmentMember_019e6b10-a6a0-745f-bae8-9e6273fe22b1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_RetailSegmentMember_019e6b10-a6a0-7bf9-bca0-ae6508dc5a62" xlink:href="dbd-20260630.xsd#dbd_RetailSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e6b10-a6a0-7b3f-9609-c7dbf10e3405" xlink:to="loc_dbd_RetailSegmentMember_019e6b10-a6a0-7bf9-bca0-ae6508dc5a62" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillRollForward_019e6b10-a6a0-7ae6-a226-2c19ec602251" 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_019e6b10-a6a0-7384-85be-b0bb0fa79b53" xlink:to="loc_us-gaap_GoodwillRollForward_019e6b10-a6a0-7ae6-a226-2c19ec602251" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019e6b10-a6a0-768d-85da-99622149618f" 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_019e6b10-a6a0-7ae6-a226-2c19ec602251" xlink:to="loc_us-gaap_Goodwill_019e6b10-a6a0-768d-85da-99622149618f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_019e6b10-a6a0-742f-886f-ca0a8243b1c4" 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_019e6b10-a6a0-7ae6-a226-2c19ec602251" xlink:to="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_019e6b10-a6a0-742f-886f-ca0a8243b1c4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019e6b10-a6a0-7ad5-acef-ba7ecccd115e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.diebold.com/role/GoodwillandOtherIntangibleAssetsScheduleofIntangibleAssetsDetails" xlink:type="simple" xlink:href="dbd-20260630.xsd#GoodwillandOtherIntangibleAssetsScheduleofIntangibleAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/GoodwillandOtherIntangibleAssetsScheduleofIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019e6b10-a769-749f-b83b-9de448a069c2" 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_019e6b10-a769-76a8-876a-91c280235f28" 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_019e6b10-a769-749f-b83b-9de448a069c2" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019e6b10-a769-76a8-876a-91c280235f28" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019e6b10-a769-7a08-b163-f31e65608bf6" 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_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019e6b10-a769-76a8-876a-91c280235f28" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019e6b10-a769-7a08-b163-f31e65608bf6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019e6b10-a769-7a08-b163-f31e65608bf6_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_019e6b10-a769-7a08-b163-f31e65608bf6" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019e6b10-a769-7a08-b163-f31e65608bf6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019e6b10-a769-7727-b6c3-0485a414d0c1" 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_019e6b10-a769-7a08-b163-f31e65608bf6" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019e6b10-a769-7727-b6c3-0485a414d0c1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_019e6b10-a769-74a8-a0c8-ab85d8096424" 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_019e6b10-a769-7727-b6c3-0485a414d0c1" xlink:to="loc_us-gaap_CustomerRelationshipsMember_019e6b10-a769-74a8-a0c8-ab85d8096424" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TrademarksAndTradeNamesMember_019e6b10-a769-744c-a7c7-5784671a0331" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TrademarksAndTradeNamesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019e6b10-a769-7727-b6c3-0485a414d0c1" xlink:to="loc_us-gaap_TrademarksAndTradeNamesMember_019e6b10-a769-744c-a7c7-5784671a0331" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_019e6b10-a769-7d13-9dda-78d3e796a171" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SoftwareAndSoftwareDevelopmentCostsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019e6b10-a769-7727-b6c3-0485a414d0c1" xlink:to="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_019e6b10-a769-7d13-9dda-78d3e796a171" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_019e6b10-a769-7c92-ad0e-41c09e8ad338" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TechnologyBasedIntangibleAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019e6b10-a769-7727-b6c3-0485a414d0c1" xlink:to="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_019e6b10-a769-7c92-ad0e-41c09e8ad338" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_019e6b10-a769-7857-8a61-e4e5615676b4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019e6b10-a769-749f-b83b-9de448a069c2" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_019e6b10-a769-7857-8a61-e4e5615676b4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_019e6b10-a769-7c8e-90cd-8766aafb39cc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019e6b10-a769-749f-b83b-9de448a069c2" xlink:to="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_019e6b10-a769-7c8e-90cd-8766aafb39cc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019e6b10-a769-7498-b50b-fad05d74e780" 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_us-gaap_FiniteLivedIntangibleAssetsLineItems_019e6b10-a769-749f-b83b-9de448a069c2" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019e6b10-a769-7498-b50b-fad05d74e780" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019e6b10-a769-7060-94a9-de4aed948111" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019e6b10-a769-749f-b83b-9de448a069c2" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019e6b10-a769-7060-94a9-de4aed948111" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.diebold.com/role/RevenueRecognitionNarrativeDetails" xlink:type="simple" xlink:href="dbd-20260630.xsd#RevenueRecognitionNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/RevenueRecognitionNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_019e6b10-a769-7b15-802a-d0cbed41cd74" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_019e6b10-a769-7357-8b32-892ae8a30d57" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019e6b10-a769-7b15-802a-d0cbed41cd74" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_019e6b10-a769-7357-8b32-892ae8a30d57" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TimingOfTransferOfGoodOrServiceAxis_019e6b10-a769-73af-b357-0d96f729da11" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TimingOfTransferOfGoodOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019e6b10-a769-7357-8b32-892ae8a30d57" xlink:to="loc_us-gaap_TimingOfTransferOfGoodOrServiceAxis_019e6b10-a769-73af-b357-0d96f729da11" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_019e6b10-a769-73af-b357-0d96f729da11_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TimingOfTransferOfGoodOrServiceDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceAxis_019e6b10-a769-73af-b357-0d96f729da11" xlink:to="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_019e6b10-a769-73af-b357-0d96f729da11_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_019e6b10-a769-78c6-898a-be36aba8aea4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TimingOfTransferOfGoodOrServiceDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceAxis_019e6b10-a769-73af-b357-0d96f729da11" xlink:to="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_019e6b10-a769-78c6-898a-be36aba8aea4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransferredAtPointInTimeMember_019e6b10-a769-7907-a479-f608d1ffd869" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransferredAtPointInTimeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_019e6b10-a769-78c6-898a-be36aba8aea4" xlink:to="loc_us-gaap_TransferredAtPointInTimeMember_019e6b10-a769-7907-a479-f608d1ffd869" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransferredOverTimeMember_019e6b10-a769-7030-80f6-f433372c4a98" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransferredOverTimeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_019e6b10-a769-78c6-898a-be36aba8aea4" xlink:to="loc_us-gaap_TransferredOverTimeMember_019e6b10-a769-7030-80f6-f433372c4a98" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_RevenueFromContractWithCustomerPercentage_019e6b10-a769-7ef2-af85-d6f6d27232a8" xlink:href="dbd-20260630.xsd#dbd_RevenueFromContractWithCustomerPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019e6b10-a769-7b15-802a-d0cbed41cd74" xlink:to="loc_dbd_RevenueFromContractWithCustomerPercentage_019e6b10-a769-7ef2-af85-d6f6d27232a8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_ImpairmentLossesRecognizedAsBadDebtExpense_019e6b10-a769-7baf-9b84-9781cbaf43b6" xlink:href="dbd-20260630.xsd#dbd_ImpairmentLossesRecognizedAsBadDebtExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019e6b10-a769-7b15-802a-d0cbed41cd74" xlink:to="loc_dbd_ImpairmentLossesRecognizedAsBadDebtExpense_019e6b10-a769-7baf-9b84-9781cbaf43b6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_019e6b10-a769-716a-b833-1199e826b534" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019e6b10-a769-7b15-802a-d0cbed41cd74" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_019e6b10-a769-716a-b833-1199e826b534" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_019e6b10-a769-7e9c-924d-e899772bc428" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019e6b10-a769-7b15-802a-d0cbed41cd74" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_019e6b10-a769-7e9c-924d-e899772bc428" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.diebold.com/role/SegmentInformationScheduleofSegmentInformationDetails" xlink:type="simple" xlink:href="dbd-20260630.xsd#SegmentInformationScheduleofSegmentInformationDetails"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/SegmentInformationScheduleofSegmentInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019e6b10-a76a-70d8-b2c4-3a57ceb82ea5" 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_019e6b10-a769-7a42-befe-b51d8f3ebd7e" 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_019e6b10-a76a-70d8-b2c4-3a57ceb82ea5" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e6b10-a769-7a42-befe-b51d8f3ebd7e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_019e6b10-a769-7112-8727-f28cf76220a8" 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_019e6b10-a769-7a42-befe-b51d8f3ebd7e" xlink:to="loc_srt_ConsolidationItemsAxis_019e6b10-a769-7112-8727-f28cf76220a8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019e6b10-a769-7112-8727-f28cf76220a8_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_019e6b10-a769-7112-8727-f28cf76220a8" xlink:to="loc_srt_ConsolidationItemsDomain_019e6b10-a769-7112-8727-f28cf76220a8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019e6b10-a769-7656-910d-df34bf78e8f5" 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_019e6b10-a769-7112-8727-f28cf76220a8" xlink:to="loc_srt_ConsolidationItemsDomain_019e6b10-a769-7656-910d-df34bf78e8f5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_019e6b10-a769-7867-b311-15c646108580" 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_019e6b10-a769-7656-910d-df34bf78e8f5" xlink:to="loc_us-gaap_OperatingSegmentsMember_019e6b10-a769-7867-b311-15c646108580" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_CorporateAndReconcilingItemsMember_019e6b10-a76a-76d8-9a01-0747676ea885" xlink:href="dbd-20260630.xsd#dbd_CorporateAndReconcilingItemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_019e6b10-a769-7656-910d-df34bf78e8f5" xlink:to="loc_dbd_CorporateAndReconcilingItemsMember_019e6b10-a76a-76d8-9a01-0747676ea885" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_019e6b10-a76a-7359-99e9-349efaf0f289" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CorporateNonSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dbd_CorporateAndReconcilingItemsMember_019e6b10-a76a-76d8-9a01-0747676ea885" xlink:to="loc_us-gaap_CorporateNonSegmentMember_019e6b10-a76a-7359-99e9-349efaf0f289" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MaterialReconcilingItemsMember_019e6b10-a76a-7e2d-aa91-e1d961e88000" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MaterialReconcilingItemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dbd_CorporateAndReconcilingItemsMember_019e6b10-a76a-76d8-9a01-0747676ea885" xlink:to="loc_us-gaap_MaterialReconcilingItemsMember_019e6b10-a76a-7e2d-aa91-e1d961e88000" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019e6b10-a76a-712e-b2d6-1dacd55aadc4" 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_019e6b10-a769-7a42-befe-b51d8f3ebd7e" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019e6b10-a76a-712e-b2d6-1dacd55aadc4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e6b10-a76a-712e-b2d6-1dacd55aadc4_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_019e6b10-a76a-712e-b2d6-1dacd55aadc4" xlink:to="loc_us-gaap_SegmentDomain_019e6b10-a76a-712e-b2d6-1dacd55aadc4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e6b10-a76a-7e99-bbdc-21774ce21db6" 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_019e6b10-a76a-712e-b2d6-1dacd55aadc4" xlink:to="loc_us-gaap_SegmentDomain_019e6b10-a76a-7e99-bbdc-21774ce21db6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_BankingSegmentMember_019e6b10-a76a-76e3-841e-8fe572d73d3f" xlink:href="dbd-20260630.xsd#dbd_BankingSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e6b10-a76a-7e99-bbdc-21774ce21db6" xlink:to="loc_dbd_BankingSegmentMember_019e6b10-a76a-76e3-841e-8fe572d73d3f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_RetailSegmentMember_019e6b10-a76a-7f9c-a8a5-777a14aca5b1" xlink:href="dbd-20260630.xsd#dbd_RetailSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e6b10-a76a-7e99-bbdc-21774ce21db6" xlink:to="loc_dbd_RetailSegmentMember_019e6b10-a76a-7f9c-a8a5-777a14aca5b1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_019e6b10-a76a-7861-bb79-2a9aaf1a0a3a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementOperatingActivitiesSegmentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e6b10-a769-7a42-befe-b51d8f3ebd7e" xlink:to="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_019e6b10-a76a-7861-bb79-2a9aaf1a0a3a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentOperatingActivitiesDomain_019e6b10-a76a-7861-bb79-2a9aaf1a0a3a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentOperatingActivitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_019e6b10-a76a-7861-bb79-2a9aaf1a0a3a" xlink:to="loc_us-gaap_SegmentOperatingActivitiesDomain_019e6b10-a76a-7861-bb79-2a9aaf1a0a3a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentOperatingActivitiesDomain_019e6b10-a76a-786e-9a98-abb32813ac9e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentOperatingActivitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_019e6b10-a76a-7861-bb79-2a9aaf1a0a3a" xlink:to="loc_us-gaap_SegmentOperatingActivitiesDomain_019e6b10-a76a-786e-9a98-abb32813ac9e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentContinuingOperationsMember_019e6b10-a76a-75db-98fb-ff2713c76609" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentContinuingOperationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentOperatingActivitiesDomain_019e6b10-a76a-786e-9a98-abb32813ac9e" xlink:to="loc_us-gaap_SegmentContinuingOperationsMember_019e6b10-a76a-75db-98fb-ff2713c76609" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_ReconcilingItemsAxis_019e6b10-a76a-7d05-9aa5-213ebd877de2" xlink:href="dbd-20260630.xsd#dbd_ReconcilingItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e6b10-a769-7a42-befe-b51d8f3ebd7e" xlink:to="loc_dbd_ReconcilingItemsAxis_019e6b10-a76a-7d05-9aa5-213ebd877de2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_ReconcilingItemsDomain_019e6b10-a76a-7d05-9aa5-213ebd877de2_default" xlink:href="dbd-20260630.xsd#dbd_ReconcilingItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dbd_ReconcilingItemsAxis_019e6b10-a76a-7d05-9aa5-213ebd877de2" xlink:to="loc_dbd_ReconcilingItemsDomain_019e6b10-a76a-7d05-9aa5-213ebd877de2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_ReconcilingItemsDomain_019e6b10-a76a-709e-bcdd-0b78b4a9adb8" xlink:href="dbd-20260630.xsd#dbd_ReconcilingItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dbd_ReconcilingItemsAxis_019e6b10-a76a-7d05-9aa5-213ebd877de2" xlink:to="loc_dbd_ReconcilingItemsDomain_019e6b10-a76a-709e-bcdd-0b78b4a9adb8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_RestructuringAndOtherSavingInitiativeExpensesMember_019e6b10-a76a-702b-9016-84bc52b0bd58" xlink:href="dbd-20260630.xsd#dbd_RestructuringAndOtherSavingInitiativeExpensesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dbd_ReconcilingItemsDomain_019e6b10-a76a-709e-bcdd-0b78b4a9adb8" xlink:to="loc_dbd_RestructuringAndOtherSavingInitiativeExpensesMember_019e6b10-a76a-702b-9016-84bc52b0bd58" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_NonCoreTurkeyOperationMember_019f8796-2278-7b82-89a7-00efaec7b3ce" xlink:href="dbd-20260630.xsd#dbd_NonCoreTurkeyOperationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dbd_ReconcilingItemsDomain_019e6b10-a76a-709e-bcdd-0b78b4a9adb8" xlink:to="loc_dbd_NonCoreTurkeyOperationMember_019f8796-2278-7b82-89a7-00efaec7b3ce" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_NetNonRoutineItemsMember_019e6b10-a76a-7f18-9496-7e99e2da00ad" xlink:href="dbd-20260630.xsd#dbd_NetNonRoutineItemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dbd_ReconcilingItemsDomain_019e6b10-a76a-709e-bcdd-0b78b4a9adb8" xlink:to="loc_dbd_NetNonRoutineItemsMember_019e6b10-a76a-7f18-9496-7e99e2da00ad" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_WindDownActivityMember_019f89ef-05a2-7898-889e-4f993437a227" xlink:href="dbd-20260630.xsd#dbd_WindDownActivityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dbd_ReconcilingItemsDomain_019e6b10-a76a-709e-bcdd-0b78b4a9adb8" xlink:to="loc_dbd_WindDownActivityMember_019f89ef-05a2-7898-889e-4f993437a227" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019e6b10-a76a-7d66-88b6-dc3a76d80abd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e6b10-a76a-70d8-b2c4-3a57ceb82ea5" xlink:to="loc_us-gaap_Revenues_019e6b10-a76a-7d66-88b6-dc3a76d80abd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019e6b10-a76a-7b26-8677-d47866fd5334" 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_019e6b10-a76a-70d8-b2c4-3a57ceb82ea5" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019e6b10-a76a-7b26-8677-d47866fd5334" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_019e6b10-a76a-741a-b44a-c190ae6292ea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GrossProfit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e6b10-a76a-70d8-b2c4-3a57ceb82ea5" xlink:to="loc_us-gaap_GrossProfit_019e6b10-a76a-741a-b44a-c190ae6292ea" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_019e6b10-a76a-75f0-a020-77c13cbf7352" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e6b10-a76a-70d8-b2c4-3a57ceb82ea5" xlink:to="loc_us-gaap_OperatingExpenses_019e6b10-a76a-75f0-a020-77c13cbf7352" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019e6b10-a76a-75b0-bba1-18d2b7063ca6" 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_SegmentReportingInformationLineItems_019e6b10-a76a-70d8-b2c4-3a57ceb82ea5" xlink:to="loc_us-gaap_OperatingIncomeLoss_019e6b10-a76a-75b0-bba1-18d2b7063ca6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_019e6b10-a76a-707f-ba8e-fcdb1a7ab39a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e6b10-a76a-70d8-b2c4-3a57ceb82ea5" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_019e6b10-a76a-707f-ba8e-fcdb1a7ab39a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_019e6b10-a76a-7820-819c-8b333af3b66f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e6b10-a76a-70d8-b2c4-3a57ceb82ea5" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_019e6b10-a76a-7820-819c-8b333af3b66f" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.diebold.com/role/SegmentInformationScheduleofRevenuefromExternalCustomersbyProductsandServicesDetails" xlink:type="simple" xlink:href="dbd-20260630.xsd#SegmentInformationScheduleofRevenuefromExternalCustomersbyProductsandServicesDetails"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/SegmentInformationScheduleofRevenuefromExternalCustomersbyProductsandServicesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019e6b10-a76a-7946-b9a4-411a47849d8d" 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_019e6b10-a76a-7294-b8c1-5522aef086a0" 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_019e6b10-a76a-7946-b9a4-411a47849d8d" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e6b10-a76a-7294-b8c1-5522aef086a0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019e6b10-a76a-7d7d-a1f6-894001b623a1" 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_019e6b10-a76a-7294-b8c1-5522aef086a0" xlink:to="loc_srt_ProductOrServiceAxis_019e6b10-a76a-7d7d-a1f6-894001b623a1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019e6b10-a76a-7d7d-a1f6-894001b623a1_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_019e6b10-a76a-7d7d-a1f6-894001b623a1" xlink:to="loc_srt_ProductsAndServicesDomain_019e6b10-a76a-7d7d-a1f6-894001b623a1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019e6b10-a76a-78ee-9595-4f7fecd33046" 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_019e6b10-a76a-7d7d-a1f6-894001b623a1" xlink:to="loc_srt_ProductsAndServicesDomain_019e6b10-a76a-78ee-9595-4f7fecd33046" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ServiceMember_019e6b10-a76a-745f-a95d-d674a2f19f85" 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_019e6b10-a76a-78ee-9595-4f7fecd33046" xlink:to="loc_us-gaap_ServiceMember_019e6b10-a76a-745f-a95d-d674a2f19f85" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductMember_019e6b10-a76a-75de-aaf1-449c778c75ac" 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_019e6b10-a76a-78ee-9595-4f7fecd33046" xlink:to="loc_us-gaap_ProductMember_019e6b10-a76a-75de-aaf1-449c778c75ac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019e6b10-a76a-7788-8ae9-cee8d800f964" 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_019e6b10-a76a-7294-b8c1-5522aef086a0" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019e6b10-a76a-7788-8ae9-cee8d800f964" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e6b10-a76a-7788-8ae9-cee8d800f964_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_019e6b10-a76a-7788-8ae9-cee8d800f964" xlink:to="loc_us-gaap_SegmentDomain_019e6b10-a76a-7788-8ae9-cee8d800f964_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e6b10-a76a-7e8f-b098-72fa5767daf6" 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_019e6b10-a76a-7788-8ae9-cee8d800f964" xlink:to="loc_us-gaap_SegmentDomain_019e6b10-a76a-7e8f-b098-72fa5767daf6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_BankingSegmentMember_019e6b10-a76a-762c-b6fe-f550f6879aed" xlink:href="dbd-20260630.xsd#dbd_BankingSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e6b10-a76a-7e8f-b098-72fa5767daf6" xlink:to="loc_dbd_BankingSegmentMember_019e6b10-a76a-762c-b6fe-f550f6879aed" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_RetailSegmentMember_019e6b10-a76a-7aa7-a3cd-71b86d618c46" xlink:href="dbd-20260630.xsd#dbd_RetailSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e6b10-a76a-7e8f-b098-72fa5767daf6" xlink:to="loc_dbd_RetailSegmentMember_019e6b10-a76a-7aa7-a3cd-71b86d618c46" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019e6b10-a76a-77c2-8ef0-f58f1f79ca50" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e6b10-a76a-7946-b9a4-411a47849d8d" xlink:to="loc_us-gaap_Revenues_019e6b10-a76a-77c2-8ef0-f58f1f79ca50" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.diebold.com/role/DebtScheduleofOutstandingDebtBalancesDetails" xlink:type="simple" xlink:href="dbd-20260630.xsd#DebtScheduleofOutstandingDebtBalancesDetails"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/DebtScheduleofOutstandingDebtBalancesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019e6b10-a76a-7d1c-9d59-8d9c4803ae6e" 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_019e6b10-a76a-7ad3-baa4-f5d07544d5e2" 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_019e6b10-a76a-7d1c-9d59-8d9c4803ae6e" xlink:to="loc_us-gaap_DebtInstrumentTable_019e6b10-a76a-7ad3-baa4-f5d07544d5e2" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019e6b10-a76a-7f45-b89c-fbce05e8e03b" 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_019e6b10-a76a-7ad3-baa4-f5d07544d5e2" xlink:to="loc_us-gaap_DebtInstrumentAxis_019e6b10-a76a-7f45-b89c-fbce05e8e03b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019e6b10-a76a-7f45-b89c-fbce05e8e03b_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_019e6b10-a76a-7f45-b89c-fbce05e8e03b" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019e6b10-a76a-7f45-b89c-fbce05e8e03b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019e6b10-a76a-70b5-b270-e1e48512ad0a" 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_019e6b10-a76a-7f45-b89c-fbce05e8e03b" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019e6b10-a76a-70b5-b270-e1e48512ad0a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_SeniorSecuredNotesDue2030Member_019e6b10-a76a-7b56-ae36-6494712da9f5" xlink:href="dbd-20260630.xsd#dbd_SeniorSecuredNotesDue2030Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e6b10-a76a-70b5-b270-e1e48512ad0a" xlink:to="loc_dbd_SeniorSecuredNotesDue2030Member_019e6b10-a76a-7b56-ae36-6494712da9f5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_OtherDebtInstrumentMember_019e6b10-a76a-753b-95af-8a8c3d5dcbe4" xlink:href="dbd-20260630.xsd#dbd_OtherDebtInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e6b10-a76a-70b5-b270-e1e48512ad0a" xlink:to="loc_dbd_OtherDebtInstrumentMember_019e6b10-a76a-753b-95af-8a8c3d5dcbe4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019e6b10-a76a-7fba-9552-6cf3a2969c93" 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_019e6b10-a76a-7ad3-baa4-f5d07544d5e2" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019e6b10-a76a-7fba-9552-6cf3a2969c93" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019e6b10-a76a-7fba-9552-6cf3a2969c93_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_019e6b10-a76a-7fba-9552-6cf3a2969c93" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019e6b10-a76a-7fba-9552-6cf3a2969c93_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019e6b10-a76a-7f4f-bb20-4b1dee7c10fb" 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_019e6b10-a76a-7fba-9552-6cf3a2969c93" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019e6b10-a76a-7f4f-bb20-4b1dee7c10fb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_019e6b10-a76a-7cfa-843a-7a7571a00f3b" 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_019e6b10-a76a-7f4f-bb20-4b1dee7c10fb" xlink:to="loc_us-gaap_SeniorNotesMember_019e6b10-a76a-7cfa-843a-7a7571a00f3b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_019e6b10-a76a-7f2a-9989-5569056ab2fc" 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_019e6b10-a76a-7d1c-9d59-8d9c4803ae6e" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_019e6b10-a76a-7f2a-9989-5569056ab2fc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNoncurrentNet_019e6b10-a76a-7fbd-95f8-47cf19b4cd4c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredFinanceCostsNoncurrentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e6b10-a76a-7d1c-9d59-8d9c4803ae6e" xlink:to="loc_us-gaap_DeferredFinanceCostsNoncurrentNet_019e6b10-a76a-7fbd-95f8-47cf19b4cd4c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019e6b10-a76a-7944-8edb-8ef627c03aa0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e6b10-a76a-7d1c-9d59-8d9c4803ae6e" xlink:to="loc_us-gaap_LongTermDebt_019e6b10-a76a-7944-8edb-8ef627c03aa0" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.diebold.com/role/Debt2024RefinancingActivitiesDetails" xlink:type="simple" xlink:href="dbd-20260630.xsd#Debt2024RefinancingActivitiesDetails"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/Debt2024RefinancingActivitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_019e6b10-a76a-7f38-9c65-bf494be35b89" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_019e6b10-a76a-7695-aea3-7d162f89306a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_019e6b10-a76a-7f38-9c65-bf494be35b89" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_019e6b10-a76a-7695-aea3-7d162f89306a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019e6b10-a76a-7748-a8d5-28afae9ac5f4" 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_LineOfCreditFacilityTable_019e6b10-a76a-7695-aea3-7d162f89306a" xlink:to="loc_us-gaap_DebtInstrumentAxis_019e6b10-a76a-7748-a8d5-28afae9ac5f4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019e6b10-a76a-7748-a8d5-28afae9ac5f4_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_019e6b10-a76a-7748-a8d5-28afae9ac5f4" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019e6b10-a76a-7748-a8d5-28afae9ac5f4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019e6b10-a76a-7893-a533-87e4eb202e96" 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_019e6b10-a76a-7748-a8d5-28afae9ac5f4" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019e6b10-a76a-7893-a533-87e4eb202e96" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_SeniorSecuredNotesDue2030Member_019e6b10-a76a-7fbe-9e99-c28d4002bb23" xlink:href="dbd-20260630.xsd#dbd_SeniorSecuredNotesDue2030Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e6b10-a76a-7893-a533-87e4eb202e96" xlink:to="loc_dbd_SeniorSecuredNotesDue2030Member_019e6b10-a76a-7fbe-9e99-c28d4002bb23" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019e6b10-a76a-73c2-9de2-001a98a674a2" 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_LineOfCreditFacilityTable_019e6b10-a76a-7695-aea3-7d162f89306a" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019e6b10-a76a-73c2-9de2-001a98a674a2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019e6b10-a76a-73c2-9de2-001a98a674a2_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_019e6b10-a76a-73c2-9de2-001a98a674a2" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019e6b10-a76a-73c2-9de2-001a98a674a2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019e6b10-a76a-794e-a5bc-941a1fb0c47a" 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_019e6b10-a76a-73c2-9de2-001a98a674a2" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019e6b10-a76a-794e-a5bc-941a1fb0c47a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_019e6b10-a76a-777f-96a3-07e669c56f0d" 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_019e6b10-a76a-794e-a5bc-941a1fb0c47a" xlink:to="loc_us-gaap_SeniorNotesMember_019e6b10-a76a-777f-96a3-07e669c56f0d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019e6b10-a76a-7505-bdc8-9116e95c8129" 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_LineOfCreditFacilityLineItems_019e6b10-a76a-7f38-9c65-bf494be35b89" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019e6b10-a76a-7505-bdc8-9116e95c8129" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_019e6b10-a76a-7bf9-a49f-2e22e041fac5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_019e6b10-a76a-7f38-9c65-bf494be35b89" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_019e6b10-a76a-7bf9-a49f-2e22e041fac5" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.diebold.com/role/DebtRevolvingCreditAgreementDetails" xlink:type="simple" xlink:href="dbd-20260630.xsd#DebtRevolvingCreditAgreementDetails"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/DebtRevolvingCreditAgreementDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_019e6b10-a76a-7763-93c8-d2c67ef16739" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_019e6b10-a76a-7d43-b3c0-3b1fb5252218" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_019e6b10-a76a-7763-93c8-d2c67ef16739" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_019e6b10-a76a-7d43-b3c0-3b1fb5252218" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019e6b10-a76a-7ad7-b832-65c1b200800a" 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_LineOfCreditFacilityTable_019e6b10-a76a-7d43-b3c0-3b1fb5252218" xlink:to="loc_us-gaap_DebtInstrumentAxis_019e6b10-a76a-7ad7-b832-65c1b200800a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019e6b10-a76a-7ad7-b832-65c1b200800a_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_019e6b10-a76a-7ad7-b832-65c1b200800a" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019e6b10-a76a-7ad7-b832-65c1b200800a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019e6b10-a76a-7a23-9290-0035a8a8d965" 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_019e6b10-a76a-7ad7-b832-65c1b200800a" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019e6b10-a76a-7a23-9290-0035a8a8d965" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_RevolvingCreditFacilityDue2029Member_019e6b10-a76a-78af-887a-5c7375b86b56" xlink:href="dbd-20260630.xsd#dbd_RevolvingCreditFacilityDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e6b10-a76a-7a23-9290-0035a8a8d965" xlink:to="loc_dbd_RevolvingCreditFacilityDue2029Member_019e6b10-a76a-78af-887a-5c7375b86b56" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019e6b10-a76a-7194-a6b9-4662a7d0e197" 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_LineOfCreditFacilityTable_019e6b10-a76a-7d43-b3c0-3b1fb5252218" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019e6b10-a76a-7194-a6b9-4662a7d0e197" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019e6b10-a76a-7194-a6b9-4662a7d0e197_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_019e6b10-a76a-7194-a6b9-4662a7d0e197" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019e6b10-a76a-7194-a6b9-4662a7d0e197_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019e6b10-a76a-77d8-90a3-6ae620b25278" 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_019e6b10-a76a-7194-a6b9-4662a7d0e197" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019e6b10-a76a-77d8-90a3-6ae620b25278" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_019e6b10-a76a-7441-98ff-030f803c3480" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019e6b10-a76a-77d8-90a3-6ae620b25278" xlink:to="loc_us-gaap_LineOfCreditMember_019e6b10-a76a-7441-98ff-030f803c3480" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_019e6b10-a76a-7565-b50b-3b03e5a6ef39" 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_LineOfCreditFacilityTable_019e6b10-a76a-7d43-b3c0-3b1fb5252218" xlink:to="loc_us-gaap_CreditFacilityAxis_019e6b10-a76a-7565-b50b-3b03e5a6ef39" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019e6b10-a76a-7565-b50b-3b03e5a6ef39_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_019e6b10-a76a-7565-b50b-3b03e5a6ef39" xlink:to="loc_us-gaap_CreditFacilityDomain_019e6b10-a76a-7565-b50b-3b03e5a6ef39_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019e6b10-a76a-7e07-9fe0-583332051b97" 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_019e6b10-a76a-7565-b50b-3b03e5a6ef39" xlink:to="loc_us-gaap_CreditFacilityDomain_019e6b10-a76a-7e07-9fe0-583332051b97" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_019e6b10-a76a-7ec6-aefa-a2f3ddeede4c" 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_019e6b10-a76a-7e07-9fe0-583332051b97" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_019e6b10-a76a-7ec6-aefa-a2f3ddeede4c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019e6b10-a76a-7329-ae2a-fa6c34c761c7" 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_LineOfCreditFacilityTable_019e6b10-a76a-7d43-b3c0-3b1fb5252218" xlink:to="loc_srt_RangeAxis_019e6b10-a76a-7329-ae2a-fa6c34c761c7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019e6b10-a76a-7329-ae2a-fa6c34c761c7_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_019e6b10-a76a-7329-ae2a-fa6c34c761c7" xlink:to="loc_srt_RangeMember_019e6b10-a76a-7329-ae2a-fa6c34c761c7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019e6b10-a76a-7c4c-b0cf-c61264b7fb0c" 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_019e6b10-a76a-7329-ae2a-fa6c34c761c7" xlink:to="loc_srt_RangeMember_019e6b10-a76a-7c4c-b0cf-c61264b7fb0c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019e6b10-a76a-75e4-bbbf-62a56892c972" 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_019e6b10-a76a-7c4c-b0cf-c61264b7fb0c" xlink:to="loc_srt_MinimumMember_019e6b10-a76a-75e4-bbbf-62a56892c972" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019e6b10-a76a-7531-b382-7cfe2de8a85c" 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_019e6b10-a76a-7c4c-b0cf-c61264b7fb0c" xlink:to="loc_srt_MaximumMember_019e6b10-a76a-7531-b382-7cfe2de8a85c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_019e6b10-a76a-7e8f-9089-a762aa933a60" 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_LineOfCreditFacilityTable_019e6b10-a76a-7d43-b3c0-3b1fb5252218" xlink:to="loc_us-gaap_VariableRateAxis_019e6b10-a76a-7e8f-9089-a762aa933a60" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_019e6b10-a76a-7e8f-9089-a762aa933a60_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_019e6b10-a76a-7e8f-9089-a762aa933a60" xlink:to="loc_us-gaap_VariableRateDomain_019e6b10-a76a-7e8f-9089-a762aa933a60_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_019e6b10-a76a-7729-a25f-9fdeb8331fa5" 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_019e6b10-a76a-7e8f-9089-a762aa933a60" xlink:to="loc_us-gaap_VariableRateDomain_019e6b10-a76a-7729-a25f-9fdeb8331fa5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_019e6b10-a76a-724c-8511-004ae59e878f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SecuredOvernightFinancingRateSofrMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_019e6b10-a76a-7729-a25f-9fdeb8331fa5" xlink:to="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_019e6b10-a76a-724c-8511-004ae59e878f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BaseRateMember_019e6b10-a76a-781e-b04b-17b4fe08899d" 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_019e6b10-a76a-7729-a25f-9fdeb8331fa5" xlink:to="loc_us-gaap_BaseRateMember_019e6b10-a76a-781e-b04b-17b4fe08899d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019e6b10-a76a-7e5d-8913-496816fee7e8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_019e6b10-a76a-7763-93c8-d2c67ef16739" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019e6b10-a76a-7e5d-8913-496816fee7e8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_019e6b10-a76a-7e36-a29c-b42ee5b9ad42" 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_LineOfCreditFacilityLineItems_019e6b10-a76a-7763-93c8-d2c67ef16739" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_019e6b10-a76a-7e36-a29c-b42ee5b9ad42" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCredit_019f13b0-77e6-7f25-9c1d-a690e94d816f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_019e6b10-a76a-7763-93c8-d2c67ef16739" xlink:to="loc_us-gaap_LineOfCredit_019f13b0-77e6-7f25-9c1d-a690e94d816f" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.diebold.com/role/DebtScheduleofFinancingFacilitiesDetails" xlink:type="simple" xlink:href="dbd-20260630.xsd#DebtScheduleofFinancingFacilitiesDetails"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/DebtScheduleofFinancingFacilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtLineItems_019e6b10-a76a-7c7b-9260-711d22473996" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShortTermDebtLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShortTermDebtTable_019e6b10-a76a-7406-b2be-adce803163b9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfShortTermDebtTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShortTermDebtLineItems_019e6b10-a76a-7c7b-9260-711d22473996" xlink:to="loc_us-gaap_ScheduleOfShortTermDebtTable_019e6b10-a76a-7406-b2be-adce803163b9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019e6b10-a76a-7a4f-9d00-fa3b3aeb92d1" 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_ScheduleOfShortTermDebtTable_019e6b10-a76a-7406-b2be-adce803163b9" xlink:to="loc_us-gaap_DebtInstrumentAxis_019e6b10-a76a-7a4f-9d00-fa3b3aeb92d1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019e6b10-a76a-7a4f-9d00-fa3b3aeb92d1_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_019e6b10-a76a-7a4f-9d00-fa3b3aeb92d1" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019e6b10-a76a-7a4f-9d00-fa3b3aeb92d1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019e6b10-a76a-7845-a824-5939c5fc4bf8" 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_019e6b10-a76a-7a4f-9d00-fa3b3aeb92d1" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019e6b10-a76a-7845-a824-5939c5fc4bf8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_SeniorSecuredNotesDue2030Member_019e6b10-a76a-71de-a4c5-b9135efbdb04" xlink:href="dbd-20260630.xsd#dbd_SeniorSecuredNotesDue2030Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e6b10-a76a-7845-a824-5939c5fc4bf8" xlink:to="loc_dbd_SeniorSecuredNotesDue2030Member_019e6b10-a76a-71de-a4c5-b9135efbdb04" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_RevolvingCreditFacilityDue2029Member_019e6b10-a76a-79e7-befc-aaeffb1f4bf0" xlink:href="dbd-20260630.xsd#dbd_RevolvingCreditFacilityDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e6b10-a76a-7845-a824-5939c5fc4bf8" xlink:to="loc_dbd_RevolvingCreditFacilityDue2029Member_019e6b10-a76a-79e7-befc-aaeffb1f4bf0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019e6b10-a76a-7bd8-a936-fe71e2aa02a8" 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_ScheduleOfShortTermDebtTable_019e6b10-a76a-7406-b2be-adce803163b9" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019e6b10-a76a-7bd8-a936-fe71e2aa02a8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019e6b10-a76a-7bd8-a936-fe71e2aa02a8_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_019e6b10-a76a-7bd8-a936-fe71e2aa02a8" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019e6b10-a76a-7bd8-a936-fe71e2aa02a8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019e6b10-a76a-7271-8188-38be8083d21d" 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_019e6b10-a76a-7bd8-a936-fe71e2aa02a8" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019e6b10-a76a-7271-8188-38be8083d21d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_019e6b10-a76a-7eb3-ad3b-9071fc25bac5" 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_019e6b10-a76a-7271-8188-38be8083d21d" xlink:to="loc_us-gaap_SeniorNotesMember_019e6b10-a76a-7eb3-ad3b-9071fc25bac5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_019e6b10-a76a-75b1-b17d-6fc3d683345e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019e6b10-a76a-7271-8188-38be8083d21d" xlink:to="loc_us-gaap_LineOfCreditMember_019e6b10-a76a-75b1-b17d-6fc3d683345e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019e6b10-a76a-7b16-9201-98d685528ee3" 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_ScheduleOfShortTermDebtTable_019e6b10-a76a-7406-b2be-adce803163b9" xlink:to="loc_srt_RangeAxis_019e6b10-a76a-7b16-9201-98d685528ee3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019e6b10-a76a-7b16-9201-98d685528ee3_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_019e6b10-a76a-7b16-9201-98d685528ee3" xlink:to="loc_srt_RangeMember_019e6b10-a76a-7b16-9201-98d685528ee3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019e6b10-a76a-7394-993e-2a4b98403639" 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_019e6b10-a76a-7b16-9201-98d685528ee3" xlink:to="loc_srt_RangeMember_019e6b10-a76a-7394-993e-2a4b98403639" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019e6b10-a76a-7fd5-b6e7-a09cd647c916" 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_019e6b10-a76a-7394-993e-2a4b98403639" xlink:to="loc_srt_MinimumMember_019e6b10-a76a-7fd5-b6e7-a09cd647c916" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019e6b10-a76a-74aa-923b-6bf5f4fa8635" 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_019e6b10-a76a-7394-993e-2a4b98403639" xlink:to="loc_srt_MaximumMember_019e6b10-a76a-74aa-923b-6bf5f4fa8635" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_019e6b10-a76a-7379-b046-1beda31e0347" 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_ScheduleOfShortTermDebtTable_019e6b10-a76a-7406-b2be-adce803163b9" xlink:to="loc_us-gaap_CreditFacilityAxis_019e6b10-a76a-7379-b046-1beda31e0347" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019e6b10-a76a-7379-b046-1beda31e0347_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_019e6b10-a76a-7379-b046-1beda31e0347" xlink:to="loc_us-gaap_CreditFacilityDomain_019e6b10-a76a-7379-b046-1beda31e0347_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019e6b10-a76a-7b94-a3ff-d5508a893a3d" 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_019e6b10-a76a-7379-b046-1beda31e0347" xlink:to="loc_us-gaap_CreditFacilityDomain_019e6b10-a76a-7b94-a3ff-d5508a893a3d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_019e6b10-a76a-7f99-93f1-64557aab8d9d" 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_019e6b10-a76a-7b94-a3ff-d5508a893a3d" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_019e6b10-a76a-7f99-93f1-64557aab8d9d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_019e6b10-a76a-7f1f-9258-e35ec1866f7e" 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_ShortTermDebtLineItems_019e6b10-a76a-7c7b-9260-711d22473996" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_019e6b10-a76a-7f1f-9258-e35ec1866f7e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTerm_019e6b10-a76a-71b8-a083-5a4257f40e7c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtLineItems_019e6b10-a76a-7c7b-9260-711d22473996" xlink:to="loc_us-gaap_DebtInstrumentTerm_019e6b10-a76a-71b8-a083-5a4257f40e7c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_DebtInstrumentVariableRateFloor_019e6b10-a76a-7493-8f07-17b40baf0c30" xlink:href="dbd-20260630.xsd#dbd_DebtInstrumentVariableRateFloor"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtLineItems_019e6b10-a76a-7c7b-9260-711d22473996" xlink:to="loc_dbd_DebtInstrumentVariableRateFloor_019e6b10-a76a-7493-8f07-17b40baf0c30" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.diebold.com/role/DebtLineofCreditDetails" xlink:type="simple" xlink:href="dbd-20260630.xsd#DebtLineofCreditDetails"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/DebtLineofCreditDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_019e6b10-a76a-79ca-8315-d80b254058cd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_019e6b10-a76a-70ae-9eb0-c33a676c0345" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_019e6b10-a76a-79ca-8315-d80b254058cd" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_019e6b10-a76a-70ae-9eb0-c33a676c0345" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeAxis_019e6b10-a76a-7983-a908-6d65e431ede4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShortTermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_019e6b10-a76a-70ae-9eb0-c33a676c0345" xlink:to="loc_us-gaap_ShortTermDebtTypeAxis_019e6b10-a76a-7983-a908-6d65e431ede4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_019e6b10-a76a-7983-a908-6d65e431ede4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShortTermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_019e6b10-a76a-7983-a908-6d65e431ede4" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_019e6b10-a76a-7983-a908-6d65e431ede4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_019e6b10-a76a-7163-a4d5-74a07f9b90fb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShortTermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_019e6b10-a76a-7983-a908-6d65e431ede4" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_019e6b10-a76a-7163-a4d5-74a07f9b90fb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_UncommittedLineOfCreditMember_019e6b10-a76a-7e7e-adca-31f7396800fb" xlink:href="dbd-20260630.xsd#dbd_UncommittedLineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtTypeDomain_019e6b10-a76a-7163-a4d5-74a07f9b90fb" xlink:to="loc_dbd_UncommittedLineOfCreditMember_019e6b10-a76a-7e7e-adca-31f7396800fb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_019e6b10-a76a-7b87-8630-f67bfb8d1e64" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_019e6b10-a76a-79ca-8315-d80b254058cd" xlink:to="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_019e6b10-a76a-7b87-8630-f67bfb8d1e64" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings_019f1398-1618-7220-ad2f-1d9c26232555" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShortTermBorrowings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_019e6b10-a76a-79ca-8315-d80b254058cd" xlink:to="loc_us-gaap_ShortTermBorrowings_019f1398-1618-7220-ad2f-1d9c26232555" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityExpirationPeriod_019e6b10-a76a-7adf-ad40-7284d5260ce9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityExpirationPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_019e6b10-a76a-79ca-8315-d80b254058cd" xlink:to="loc_us-gaap_LineOfCreditFacilityExpirationPeriod_019e6b10-a76a-7adf-ad40-7284d5260ce9" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.diebold.com/role/ShareholdersEquityScheduleofAccumulatedOtherComprehensiveIncomeLossDetails" xlink:type="simple" xlink:href="dbd-20260630.xsd#ShareholdersEquityScheduleofAccumulatedOtherComprehensiveIncomeLossDetails"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/ShareholdersEquityScheduleofAccumulatedOtherComprehensiveIncomeLossDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019e6b10-a76a-75ea-a317-e9dfb757c3f7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019e6b10-a76a-791a-b26e-872aaf5b531d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019e6b10-a76a-75ea-a317-e9dfb757c3f7" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019e6b10-a76a-791a-b26e-872aaf5b531d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019e6b10-a76a-72a4-a03a-53831f3e35c7" 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_AccumulatedOtherComprehensiveIncomeLossTable_019e6b10-a76a-791a-b26e-872aaf5b531d" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019e6b10-a76a-72a4-a03a-53831f3e35c7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e6b10-a76a-72a4-a03a-53831f3e35c7_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_019e6b10-a76a-72a4-a03a-53831f3e35c7" xlink:to="loc_us-gaap_EquityComponentDomain_019e6b10-a76a-72a4-a03a-53831f3e35c7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e6b10-a76a-75f4-8041-5c11216bde75" 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_019e6b10-a76a-72a4-a03a-53831f3e35c7" xlink:to="loc_us-gaap_EquityComponentDomain_019e6b10-a76a-75f4-8041-5c11216bde75" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e6b10-a76a-707e-90ab-b5b0bb0c87fc" 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_019e6b10-a76a-75f4-8041-5c11216bde75" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e6b10-a76a-707e-90ab-b5b0bb0c87fc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_019e6b10-a76a-7463-ab7c-3d5cf06bf667" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedTranslationAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e6b10-a76a-707e-90ab-b5b0bb0c87fc" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_019e6b10-a76a-7463-ab7c-3d5cf06bf667" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_019e6b10-a76a-7eca-ac54-f5584fcc3a15" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e6b10-a76a-707e-90ab-b5b0bb0c87fc" xlink:to="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_019e6b10-a76a-7eca-ac54-f5584fcc3a15" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_019e6b10-a76a-7e0c-9835-ac265315f520" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e6b10-a76a-707e-90ab-b5b0bb0c87fc" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_019e6b10-a76a-7e0c-9835-ac265315f520" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember_019e6b10-a76a-76fd-9617-473f442f31de" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_019e6b10-a76a-7e0c-9835-ac265315f520" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember_019e6b10-a76a-76fd-9617-473f442f31de" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_AOCIOtherParentMember_019e6b10-a76a-7d62-b605-eb2f87f0ced5" xlink:href="dbd-20260630.xsd#dbd_AOCIOtherParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e6b10-a76a-707e-90ab-b5b0bb0c87fc" xlink:to="loc_dbd_AOCIOtherParentMember_019e6b10-a76a-7d62-b605-eb2f87f0ced5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedForeignCurrencyAdjustmentAttributableToNoncontrollingInterestMember_019e6b10-a76a-7e5d-a675-f06eebff1eca" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedForeignCurrencyAdjustmentAttributableToNoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e6b10-a76a-75f4-8041-5c11216bde75" xlink:to="loc_us-gaap_AccumulatedForeignCurrencyAdjustmentAttributableToNoncontrollingInterestMember_019e6b10-a76a-7e5d-a675-f06eebff1eca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019e6b10-a76a-7af0-b544-f7b8a3271762" 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_AccumulatedOtherComprehensiveIncomeLossTable_019e6b10-a76a-791a-b26e-872aaf5b531d" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019e6b10-a76a-7af0-b544-f7b8a3271762" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e6b10-a76a-7af0-b544-f7b8a3271762_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_019e6b10-a76a-7af0-b544-f7b8a3271762" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e6b10-a76a-7af0-b544-f7b8a3271762_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e6b10-a76a-7534-8a8e-685cf5ae3b7f" 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_019e6b10-a76a-7af0-b544-f7b8a3271762" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e6b10-a76a-7534-8a8e-685cf5ae3b7f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeForwardMember_019e6b10-a76a-7a16-8fad-ff174a9cc298" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignExchangeForwardMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e6b10-a76a-7534-8a8e-685cf5ae3b7f" xlink:to="loc_us-gaap_ForeignExchangeForwardMember_019e6b10-a76a-7a16-8fad-ff174a9cc298" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_019e6b10-a76a-729a-9847-548c5e723d40" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019e6b10-a76a-75ea-a317-e9dfb757c3f7" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_019e6b10-a76a-729a-9847-548c5e723d40" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019e6b10-a76a-7343-b3e3-0554b1b0863d" 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_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_019e6b10-a76a-729a-9847-548c5e723d40" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019e6b10-a76a-7343-b3e3-0554b1b0863d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_019e6b10-a76a-7cbe-9de9-9b5bfd44bc52" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_019e6b10-a76a-729a-9847-548c5e723d40" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_019e6b10-a76a-7cbe-9de9-9b5bfd44bc52" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_019e6b10-a76a-77af-a13f-3e1a17e750f1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_019e6b10-a76a-729a-9847-548c5e723d40" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_019e6b10-a76a-77af-a13f-3e1a17e750f1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019e6b10-a76a-7a9d-a23a-45d6911a7e9d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.diebold.com/role/RestructuringNarrativeDetails" xlink:type="simple" xlink:href="dbd-20260630.xsd#RestructuringNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/RestructuringNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_019e6b10-a76a-7a23-9ee8-0fb2ce7beff9" 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_019e6b10-a76a-78e4-9ec7-6f7cc2ec1c7a" 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_019e6b10-a76a-7a23-9ee8-0fb2ce7beff9" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e6b10-a76a-78e4-9ec7-6f7cc2ec1c7a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanAxis_019e6b10-a76a-7e91-b4f8-1078440d0faa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringPlanAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e6b10-a76a-78e4-9ec7-6f7cc2ec1c7a" xlink:to="loc_us-gaap_RestructuringPlanAxis_019e6b10-a76a-7e91-b4f8-1078440d0faa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanDomain_019e6b10-a76a-7e91-b4f8-1078440d0faa_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringPlanDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringPlanAxis_019e6b10-a76a-7e91-b4f8-1078440d0faa" xlink:to="loc_us-gaap_RestructuringPlanDomain_019e6b10-a76a-7e91-b4f8-1078440d0faa_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanDomain_019e6b10-a76a-7901-8fd8-e9f771e6ccca" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringPlanDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringPlanAxis_019e6b10-a76a-7e91-b4f8-1078440d0faa" xlink:to="loc_us-gaap_RestructuringPlanDomain_019e6b10-a76a-7901-8fd8-e9f771e6ccca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_OperationalEvolutionProgramOEPMember_019e6b10-a76a-7733-9546-dce89c705623" xlink:href="dbd-20260630.xsd#dbd_OperationalEvolutionProgramOEPMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_019e6b10-a76a-7901-8fd8-e9f771e6ccca" xlink:to="loc_dbd_OperationalEvolutionProgramOEPMember_019e6b10-a76a-7733-9546-dce89c705623" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_ContinuousImprovementInitiativeMember_019e6b10-a76a-7361-bff8-67477899bb17" xlink:href="dbd-20260630.xsd#dbd_ContinuousImprovementInitiativeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_019e6b10-a76a-7901-8fd8-e9f771e6ccca" xlink:to="loc_dbd_ContinuousImprovementInitiativeMember_019e6b10-a76a-7361-bff8-67477899bb17" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019e6b10-a76a-73b7-a978-4a1d4f7cd17e" 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_ScheduleOfRestructuringAndRelatedCostsTable_019e6b10-a76a-78e4-9ec7-6f7cc2ec1c7a" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019e6b10-a76a-73b7-a978-4a1d4f7cd17e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e6b10-a76a-73b7-a978-4a1d4f7cd17e_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_019e6b10-a76a-73b7-a978-4a1d4f7cd17e" xlink:to="loc_us-gaap_SegmentDomain_019e6b10-a76a-73b7-a978-4a1d4f7cd17e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e6b10-a76a-71c2-b556-982262277b82" 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_019e6b10-a76a-73b7-a978-4a1d4f7cd17e" xlink:to="loc_us-gaap_SegmentDomain_019e6b10-a76a-71c2-b556-982262277b82" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_BankingSegmentMember_019e6b10-a76a-7361-9bd1-9ae8e646b8ba" xlink:href="dbd-20260630.xsd#dbd_BankingSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e6b10-a76a-71c2-b556-982262277b82" xlink:to="loc_dbd_BankingSegmentMember_019e6b10-a76a-7361-9bd1-9ae8e646b8ba" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_RetailSegmentMember_019e6b10-a76a-7c56-b883-a5c05e1f179a" xlink:href="dbd-20260630.xsd#dbd_RetailSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e6b10-a76a-71c2-b556-982262277b82" xlink:to="loc_dbd_RetailSegmentMember_019e6b10-a76a-7c56-b883-a5c05e1f179a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedCostExpectedCost1_019e6b10-a76a-76a0-98ab-ae1cc73c0f1e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringAndRelatedCostExpectedCost1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_019e6b10-a76a-7a23-9ee8-0fb2ce7beff9" xlink:to="loc_us-gaap_RestructuringAndRelatedCostExpectedCost1_019e6b10-a76a-76a0-98ab-ae1cc73c0f1e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedCostCostIncurredToDate1_019e6b10-a76a-7c5a-8b7f-9e2c9fc5e39e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringAndRelatedCostCostIncurredToDate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_019e6b10-a76a-7a23-9ee8-0fb2ce7beff9" xlink:to="loc_us-gaap_RestructuringAndRelatedCostCostIncurredToDate1_019e6b10-a76a-7c5a-8b7f-9e2c9fc5e39e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_019e6b10-a76a-7c0d-bbfe-d6440fe9211a" 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_019e6b10-a76a-7a23-9ee8-0fb2ce7beff9" xlink:to="loc_us-gaap_RestructuringCharges_019e6b10-a76a-7c0d-bbfe-d6440fe9211a" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.diebold.com/role/RestructuringScheduleofRestructuringandRelatedCostsDetails" xlink:type="simple" xlink:href="dbd-20260630.xsd#RestructuringScheduleofRestructuringandRelatedCostsDetails"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/RestructuringScheduleofRestructuringandRelatedCostsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_019e6b10-a76a-7bc1-be87-07aa8114051f" 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_019e6b10-a76a-7873-a5f7-c10ed08449be" 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_019e6b10-a76a-7bc1-be87-07aa8114051f" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e6b10-a76a-7873-a5f7-c10ed08449be" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019e6b10-a76a-7c68-bea9-2cde5846ac49" 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_ScheduleOfRestructuringAndRelatedCostsTable_019e6b10-a76a-7873-a5f7-c10ed08449be" xlink:to="loc_srt_ProductOrServiceAxis_019e6b10-a76a-7c68-bea9-2cde5846ac49" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019e6b10-a76a-7c68-bea9-2cde5846ac49_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_019e6b10-a76a-7c68-bea9-2cde5846ac49" xlink:to="loc_srt_ProductsAndServicesDomain_019e6b10-a76a-7c68-bea9-2cde5846ac49_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019e6b10-a76a-7f39-94c3-fc42f28cd81d" 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_019e6b10-a76a-7c68-bea9-2cde5846ac49" xlink:to="loc_srt_ProductsAndServicesDomain_019e6b10-a76a-7f39-94c3-fc42f28cd81d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ServiceMember_019e6b10-a76a-7eda-abb8-4326c487d358" 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_019e6b10-a76a-7f39-94c3-fc42f28cd81d" xlink:to="loc_us-gaap_ServiceMember_019e6b10-a76a-7eda-abb8-4326c487d358" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductMember_019e6b10-a76a-78c9-8fbf-29125861019d" 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_019e6b10-a76a-7f39-94c3-fc42f28cd81d" xlink:to="loc_us-gaap_ProductMember_019e6b10-a76a-78c9-8fbf-29125861019d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfIncomeLocationBalanceAxis_019e6b10-a76a-727c-896b-8905f1d7aaf6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementOfIncomeLocationBalanceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e6b10-a76a-7873-a5f7-c10ed08449be" xlink:to="loc_us-gaap_StatementOfIncomeLocationBalanceAxis_019e6b10-a76a-727c-896b-8905f1d7aaf6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringChargesAbstract_019e6b10-a76a-7173-af4d-1dd366ed09e7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringChargesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_019e6b10-a76a-7bc1-be87-07aa8114051f" xlink:to="loc_us-gaap_RestructuringChargesAbstract_019e6b10-a76a-7173-af4d-1dd366ed09e7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_019e6b10-a76a-7c8d-9a73-9b56d49c480e" 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_RestructuringChargesAbstract_019e6b10-a76a-7173-af4d-1dd366ed09e7" xlink:to="loc_us-gaap_RestructuringCharges_019e6b10-a76a-7c8d-9a73-9b56d49c480e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringIncurredCostStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration_019f801c-f98c-7d51-9e46-f505de2c9d3e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringIncurredCostStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringChargesAbstract_019e6b10-a76a-7173-af4d-1dd366ed09e7" xlink:to="loc_us-gaap_RestructuringIncurredCostStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration_019f801c-f98c-7d51-9e46-f505de2c9d3e" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.diebold.com/role/RestructuringScheduleofRestructuringandRelatedCostsDetails_1" xlink:type="simple" xlink:href="dbd-20260630.xsd#RestructuringScheduleofRestructuringandRelatedCostsDetails_1"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/RestructuringScheduleofRestructuringandRelatedCostsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_019e6b10-a76a-7bc1-be87-07aa8114051f" 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_019e6b10-a76a-7873-a5f7-c10ed08449be" 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_019e6b10-a76a-7bc1-be87-07aa8114051f" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e6b10-a76a-7873-a5f7-c10ed08449be" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019e6b10-a76a-7c68-bea9-2cde5846ac49" 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_ScheduleOfRestructuringAndRelatedCostsTable_019e6b10-a76a-7873-a5f7-c10ed08449be" xlink:to="loc_srt_ProductOrServiceAxis_019e6b10-a76a-7c68-bea9-2cde5846ac49" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019e6b10-a76a-7c68-bea9-2cde5846ac49_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_019e6b10-a76a-7c68-bea9-2cde5846ac49" xlink:to="loc_srt_ProductsAndServicesDomain_019e6b10-a76a-7c68-bea9-2cde5846ac49_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019e6b10-a76a-7f39-94c3-fc42f28cd81d" 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_019e6b10-a76a-7c68-bea9-2cde5846ac49" xlink:to="loc_srt_ProductsAndServicesDomain_019e6b10-a76a-7f39-94c3-fc42f28cd81d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ServiceMember_019e6b10-a76a-7eda-abb8-4326c487d358" 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_019e6b10-a76a-7f39-94c3-fc42f28cd81d" xlink:to="loc_us-gaap_ServiceMember_019e6b10-a76a-7eda-abb8-4326c487d358" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductMember_019e6b10-a76a-78c9-8fbf-29125861019d" 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_019e6b10-a76a-7f39-94c3-fc42f28cd81d" xlink:to="loc_us-gaap_ProductMember_019e6b10-a76a-78c9-8fbf-29125861019d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringChargesAbstract_019e6b10-a76a-7173-af4d-1dd366ed09e7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringChargesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_019e6b10-a76a-7bc1-be87-07aa8114051f" xlink:to="loc_us-gaap_RestructuringChargesAbstract_019e6b10-a76a-7173-af4d-1dd366ed09e7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_019e6b10-a76a-7c8d-9a73-9b56d49c480e" 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_RestructuringChargesAbstract_019e6b10-a76a-7173-af4d-1dd366ed09e7" xlink:to="loc_us-gaap_RestructuringCharges_019e6b10-a76a-7c8d-9a73-9b56d49c480e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringIncurredCostStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration_019f801c-f98c-7d51-9e46-f505de2c9d3e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringIncurredCostStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringChargesAbstract_019e6b10-a76a-7173-af4d-1dd366ed09e7" xlink:to="loc_us-gaap_RestructuringIncurredCostStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration_019f801c-f98c-7d51-9e46-f505de2c9d3e" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.diebold.com/role/FinancialInstrumentsandFairValueScheduleofAssetsandLiabilitiesNotCarriedatFairValueDetails" xlink:type="simple" xlink:href="dbd-20260630.xsd#FinancialInstrumentsandFairValueScheduleofAssetsandLiabilitiesNotCarriedatFairValueDetails"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/FinancialInstrumentsandFairValueScheduleofAssetsandLiabilitiesNotCarriedatFairValueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_019e6b10-a76a-7f93-b3fd-dfb001f97f71" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_019e6b10-a76a-7dca-9b37-7965e50b5366" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_019e6b10-a76a-7f93-b3fd-dfb001f97f71" xlink:to="loc_us-gaap_DerivativeTable_019e6b10-a76a-7dca-9b37-7965e50b5366" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_019e6b10-a76a-7b80-b1c6-d9e5ff3130f1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_019e6b10-a76a-7dca-9b37-7965e50b5366" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_019e6b10-a76a-7b80-b1c6-d9e5ff3130f1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019e6b10-a76a-7b80-b1c6-d9e5ff3130f1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_019e6b10-a76a-7b80-b1c6-d9e5ff3130f1" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019e6b10-a76a-7b80-b1c6-d9e5ff3130f1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_019e6b10-a76a-71f4-93f7-701a59c5f1e1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueDisclosureItemAmountsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_019e6b10-a76a-7b80-b1c6-d9e5ff3130f1" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_019e6b10-a76a-71f4-93f7-701a59c5f1e1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019e6b10-a76a-74a2-99fa-5de008d6ec22" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_019e6b10-a76a-71f4-93f7-701a59c5f1e1" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019e6b10-a76a-74a2-99fa-5de008d6ec22" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_019e6b10-a76a-7fef-8b9b-3f51e4b3d453" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019e6b10-a76a-74a2-99fa-5de008d6ec22" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_019e6b10-a76a-7fef-8b9b-3f51e4b3d453" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_019e6b10-a76a-7ae9-a10b-8aa51866ee4a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019e6b10-a76a-74a2-99fa-5de008d6ec22" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_019e6b10-a76a-7ae9-a10b-8aa51866ee4a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFairValue_019e6b10-a76a-705b-a7d6-605b9553052d" 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_DerivativeLineItems_019e6b10-a76a-7f93-b3fd-dfb001f97f71" xlink:to="loc_us-gaap_DebtInstrumentFairValue_019e6b10-a76a-705b-a7d6-605b9553052d" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.diebold.com/role/FinancialInstrumentsandFairValueNarrativeDetails" xlink:type="simple" xlink:href="dbd-20260630.xsd#FinancialInstrumentsandFairValueNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/FinancialInstrumentsandFairValueNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_019e6b10-a76a-7e64-b7d6-1f225a891c22" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_019e6b10-a76a-76bc-9b19-ea0d892778a0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_019e6b10-a76a-7e64-b7d6-1f225a891c22" xlink:to="loc_us-gaap_DerivativeTable_019e6b10-a76a-76bc-9b19-ea0d892778a0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019e6b10-a76a-7e78-8870-32217c5bd8e5" 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_DerivativeTable_019e6b10-a76a-76bc-9b19-ea0d892778a0" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019e6b10-a76a-7e78-8870-32217c5bd8e5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e6b10-a76a-7e78-8870-32217c5bd8e5_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_019e6b10-a76a-7e78-8870-32217c5bd8e5" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e6b10-a76a-7e78-8870-32217c5bd8e5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e6b10-a76a-7e21-a741-8b46235694a1" 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_019e6b10-a76a-7e78-8870-32217c5bd8e5" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e6b10-a76a-7e21-a741-8b46235694a1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_ForeignExchangeForwardEURUSDMember_019e6b10-a76a-7d07-a461-37c48ea6000d" xlink:href="dbd-20260630.xsd#dbd_ForeignExchangeForwardEURUSDMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e6b10-a76a-7e21-a741-8b46235694a1" xlink:to="loc_dbd_ForeignExchangeForwardEURUSDMember_019e6b10-a76a-7d07-a461-37c48ea6000d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_ForeignExchangeForwardBRLUSDMember_019e6b10-a76a-74c5-83e1-4ff2611a253b" xlink:href="dbd-20260630.xsd#dbd_ForeignExchangeForwardBRLUSDMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e6b10-a76a-7e21-a741-8b46235694a1" xlink:to="loc_dbd_ForeignExchangeForwardBRLUSDMember_019e6b10-a76a-74c5-83e1-4ff2611a253b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNumberOfInstrumentsHeld_019e6b10-a76a-79b1-972d-4c05c9bd4977" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeNumberOfInstrumentsHeld"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019e6b10-a76a-7e64-b7d6-1f225a891c22" xlink:to="loc_us-gaap_DerivativeNumberOfInstrumentsHeld_019e6b10-a76a-79b1-972d-4c05c9bd4977" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.diebold.com/role/FinancialInstrumentsandFairValueScheduleofFairValueofDerivativeInstrumentsDetails" xlink:type="simple" xlink:href="dbd-20260630.xsd#FinancialInstrumentsandFairValueScheduleofFairValueofDerivativeInstrumentsDetails"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/FinancialInstrumentsandFairValueScheduleofFairValueofDerivativeInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_019e6b10-a76a-72ca-81c1-8cfed4a0f0ee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_019e6b10-a76a-7ba2-a1c7-bf8cb4f49ef7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_019e6b10-a76a-72ca-81c1-8cfed4a0f0ee" xlink:to="loc_us-gaap_DerivativeTable_019e6b10-a76a-7ba2-a1c7-bf8cb4f49ef7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_019e6b10-a76a-7422-8d64-f561f5894ce1" 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_DerivativeTable_019e6b10-a76a-7ba2-a1c7-bf8cb4f49ef7" xlink:to="loc_us-gaap_HedgingDesignationAxis_019e6b10-a76a-7422-8d64-f561f5894ce1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019e6b10-a76a-7422-8d64-f561f5894ce1_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_019e6b10-a76a-7422-8d64-f561f5894ce1" xlink:to="loc_us-gaap_HedgingDesignationDomain_019e6b10-a76a-7422-8d64-f561f5894ce1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019e6b10-a76a-794a-8e39-2d3e648fab95" 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_019e6b10-a76a-7422-8d64-f561f5894ce1" xlink:to="loc_us-gaap_HedgingDesignationDomain_019e6b10-a76a-794a-8e39-2d3e648fab95" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019e6b10-a76a-72d1-884a-61fb3668f795" 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_019e6b10-a76a-794a-8e39-2d3e648fab95" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019e6b10-a76a-72d1-884a-61fb3668f795" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_019e6b10-a76a-7b9b-9eeb-84c9cb993ce3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019e6b10-a76a-794a-8e39-2d3e648fab95" xlink:to="loc_us-gaap_NondesignatedMember_019e6b10-a76a-7b9b-9eeb-84c9cb993ce3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionLocationBalanceAxis_019e6b10-a76a-7827-a88a-968631b58c8a" 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_DerivativeTable_019e6b10-a76a-7ba2-a1c7-bf8cb4f49ef7" xlink:to="loc_us-gaap_StatementOfFinancialPositionLocationBalanceAxis_019e6b10-a76a-7827-a88a-968631b58c8a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_019e6b10-a76a-7419-af9c-ac68d8f79111" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019e6b10-a76a-72ca-81c1-8cfed4a0f0ee" xlink:to="loc_us-gaap_DerivativeNotionalAmount_019e6b10-a76a-7419-af9c-ac68d8f79111" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_019e6b10-a76a-7ee9-9548-55f1bd74d4c6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019e6b10-a76a-72ca-81c1-8cfed4a0f0ee" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_019e6b10-a76a-7ee9-9548-55f1bd74d4c6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_019e6b10-a76a-754f-b6ca-4a3db721e167" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019e6b10-a76a-72ca-81c1-8cfed4a0f0ee" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_019e6b10-a76a-754f-b6ca-4a3db721e167" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax_019e6b10-a76a-70ae-9796-b2650fe0aa12" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019e6b10-a76a-72ca-81c1-8cfed4a0f0ee" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax_019e6b10-a76a-70ae-9796-b2650fe0aa12" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_019e6b10-a76a-7b71-bed3-da5f83de14cc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019e6b10-a76a-72ca-81c1-8cfed4a0f0ee" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_019e6b10-a76a-7b71-bed3-da5f83de14cc" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.diebold.com/role/FinancialInstrumentsandFairValueScheduleofFairValueofDerivativeInstrumentsDetails_1" xlink:type="simple" xlink:href="dbd-20260630.xsd#FinancialInstrumentsandFairValueScheduleofFairValueofDerivativeInstrumentsDetails_1"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/FinancialInstrumentsandFairValueScheduleofFairValueofDerivativeInstrumentsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_019e6b10-a76a-72ca-81c1-8cfed4a0f0ee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_019e6b10-a76a-7ba2-a1c7-bf8cb4f49ef7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_019e6b10-a76a-72ca-81c1-8cfed4a0f0ee" xlink:to="loc_us-gaap_DerivativeTable_019e6b10-a76a-7ba2-a1c7-bf8cb4f49ef7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_019e6b10-a76a-7422-8d64-f561f5894ce1" 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_DerivativeTable_019e6b10-a76a-7ba2-a1c7-bf8cb4f49ef7" xlink:to="loc_us-gaap_HedgingDesignationAxis_019e6b10-a76a-7422-8d64-f561f5894ce1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019e6b10-a76a-7422-8d64-f561f5894ce1_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_019e6b10-a76a-7422-8d64-f561f5894ce1" xlink:to="loc_us-gaap_HedgingDesignationDomain_019e6b10-a76a-7422-8d64-f561f5894ce1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019e6b10-a76a-794a-8e39-2d3e648fab95" 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_019e6b10-a76a-7422-8d64-f561f5894ce1" xlink:to="loc_us-gaap_HedgingDesignationDomain_019e6b10-a76a-794a-8e39-2d3e648fab95" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019e6b10-a76a-72d1-884a-61fb3668f795" 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_019e6b10-a76a-794a-8e39-2d3e648fab95" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019e6b10-a76a-72d1-884a-61fb3668f795" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_019e6b10-a76a-7b9b-9eeb-84c9cb993ce3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019e6b10-a76a-794a-8e39-2d3e648fab95" xlink:to="loc_us-gaap_NondesignatedMember_019e6b10-a76a-7b9b-9eeb-84c9cb993ce3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_019e6b10-a76a-7419-af9c-ac68d8f79111" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019e6b10-a76a-72ca-81c1-8cfed4a0f0ee" xlink:to="loc_us-gaap_DerivativeNotionalAmount_019e6b10-a76a-7419-af9c-ac68d8f79111" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_019e6b10-a76a-7ee9-9548-55f1bd74d4c6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019e6b10-a76a-72ca-81c1-8cfed4a0f0ee" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_019e6b10-a76a-7ee9-9548-55f1bd74d4c6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_019e6b10-a76a-754f-b6ca-4a3db721e167" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019e6b10-a76a-72ca-81c1-8cfed4a0f0ee" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_019e6b10-a76a-754f-b6ca-4a3db721e167" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax_019e6b10-a76a-70ae-9796-b2650fe0aa12" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019e6b10-a76a-72ca-81c1-8cfed4a0f0ee" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax_019e6b10-a76a-70ae-9796-b2650fe0aa12" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_019e6b10-a76a-7b71-bed3-da5f83de14cc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019e6b10-a76a-72ca-81c1-8cfed4a0f0ee" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_019e6b10-a76a-7b71-bed3-da5f83de14cc" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.diebold.com/role/CommitmentsGuaranteesProductWarrantiesandOtherContingenciesNarrativeDetails" xlink:type="simple" xlink:href="dbd-20260630.xsd#CommitmentsGuaranteesProductWarrantiesandOtherContingenciesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.diebold.com/role/CommitmentsGuaranteesProductWarrantiesandOtherContingenciesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesLineItems_019e6b10-a76a-7e61-9caf-424aa5733636" 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_019e6b10-a76a-7e29-be16-19323436e59c" 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_019e6b10-a76a-7e61-9caf-424aa5733636" xlink:to="loc_us-gaap_LossContingenciesTable_019e6b10-a76a-7e29-be16-19323436e59c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_019e6b10-a76a-7d19-9f2e-480ea9839c59" 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_019e6b10-a76a-7e29-be16-19323436e59c" xlink:to="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_019e6b10-a76a-7d19-9f2e-480ea9839c59" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNatureDomain_019e6b10-a76a-7d19-9f2e-480ea9839c59_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_019e6b10-a76a-7d19-9f2e-480ea9839c59" xlink:to="loc_us-gaap_LossContingencyNatureDomain_019e6b10-a76a-7d19-9f2e-480ea9839c59_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNatureDomain_019e6b10-a76a-789c-9874-2bc94b7944ad" 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_019e6b10-a76a-7d19-9f2e-480ea9839c59" xlink:to="loc_us-gaap_LossContingencyNatureDomain_019e6b10-a76a-789c-9874-2bc94b7944ad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbd_IndirectTaxLiabilityMember_019e6b10-a76a-71d9-8934-0460294fcfdf" xlink:href="dbd-20260630.xsd#dbd_IndirectTaxLiabilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingencyNatureDomain_019e6b10-a76a-789c-9874-2bc94b7944ad" xlink:to="loc_dbd_IndirectTaxLiabilityMember_019e6b10-a76a-71d9-8934-0460294fcfdf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsByNatureAxis_019e6b10-a76a-73f9-be11-cfd70c54e4a0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GuaranteeObligationsByNatureAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_019e6b10-a76a-7e29-be16-19323436e59c" xlink:to="loc_us-gaap_GuaranteeObligationsByNatureAxis_019e6b10-a76a-73f9-be11-cfd70c54e4a0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_019e6b10-a76a-73f9-be11-cfd70c54e4a0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GuaranteeObligationsNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_019e6b10-a76a-73f9-be11-cfd70c54e4a0" xlink:to="loc_us-gaap_GuaranteeObligationsNatureDomain_019e6b10-a76a-73f9-be11-cfd70c54e4a0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_019e6b10-a76a-705e-87d2-0fe6131c733c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GuaranteeObligationsNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_019e6b10-a76a-73f9-be11-cfd70c54e4a0" xlink:to="loc_us-gaap_GuaranteeObligationsNatureDomain_019e6b10-a76a-705e-87d2-0fe6131c733c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialStandbyLetterOfCreditMember_019e6b10-a76a-77ff-95ae-ff38405ab7be" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancialStandbyLetterOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_019e6b10-a76a-705e-87d2-0fe6131c733c" xlink:to="loc_us-gaap_FinancialStandbyLetterOfCreditMember_019e6b10-a76a-77ff-95ae-ff38405ab7be" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyRangeOfPossibleLossPortionNotAccrued_019e6b10-a76a-7172-8031-07dea6a2ee62" 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_019e6b10-a76a-7e61-9caf-424aa5733636" xlink:to="loc_us-gaap_LossContingencyRangeOfPossibleLossPortionNotAccrued_019e6b10-a76a-7172-8031-07dea6a2ee62" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsMaximumExposure_019e6b10-a76a-7c5f-b9d3-85e12a7a0999" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GuaranteeObligationsMaximumExposure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_019e6b10-a76a-7e61-9caf-424aa5733636" xlink:to="loc_us-gaap_GuaranteeObligationsMaximumExposure_019e6b10-a76a-7c5f-b9d3-85e12a7a0999" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_019e6b10-a76a-7d25-ba6f-fd1ba0526649" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_019e6b10-a76a-7e61-9caf-424aa5733636" xlink:to="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_019e6b10-a76a-7d25-ba6f-fd1ba0526649" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_019e6b10-a76a-7835-9ded-e941e27c739f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedCashAndCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_019e6b10-a76a-7e61-9caf-424aa5733636" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_019e6b10-a76a-7835-9ded-e941e27c739f" xlink:type="arc" order="3"/>
  </link:definitionLink>
</link:linkbase>
