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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019fdd4c-fb83-70f4-8a9d-660fef5d44dc,g:694fdd7b-8f6a-4ded-a6ff-e863231e275f-->
<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.pultegroupinc.com/role/ConsolidatedStatementsOfOperations" xlink:type="simple" xlink:href="phm-20260930.xsd#ConsolidatedStatementsOfOperations"/>
  <link:definitionLink xlink:role="http://www.pultegroupinc.com/role/ConsolidatedStatementsOfOperations" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019fdd4c-fce4-78e5-ad83-271eaa511a47" 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_019fdd4c-fce4-74e1-bd16-d8b7a72bace0" 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_019fdd4c-fce4-78e5-ad83-271eaa511a47" xlink:to="loc_us-gaap_StatementTable_019fdd4c-fce4-74e1-bd16-d8b7a72bace0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019fdd4c-fce4-7709-8e81-9a8b2a415ad5" 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_StatementTable_019fdd4c-fce4-74e1-bd16-d8b7a72bace0" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019fdd4c-fce4-7709-8e81-9a8b2a415ad5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7709-8e81-9a8b2a415ad5_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_019fdd4c-fce4-7709-8e81-9a8b2a415ad5" xlink:to="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7709-8e81-9a8b2a415ad5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7c76-8d7a-d8571e6ba133" 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_019fdd4c-fce4-7709-8e81-9a8b2a415ad5" xlink:to="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7c76-8d7a-d8571e6ba133" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_HomeBuildingSegmentMember_019fdd4c-fce4-7ae7-b87f-4e0cfe3e1c72" xlink:href="phm-20260930.xsd#phm_HomeBuildingSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7c76-8d7a-d8571e6ba133" xlink:to="loc_phm_HomeBuildingSegmentMember_019fdd4c-fce4-7ae7-b87f-4e0cfe3e1c72" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_FinancialServicesMember_019fdd4c-fce4-757e-824f-3643bfec8772" xlink:href="phm-20260930.xsd#phm_FinancialServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7c76-8d7a-d8571e6ba133" xlink:to="loc_phm_FinancialServicesMember_019fdd4c-fce4-757e-824f-3643bfec8772" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019fdd4c-fce4-722a-9915-797ff6b3af1d" 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_019fdd4c-fce4-74e1-bd16-d8b7a72bace0" xlink:to="loc_srt_ProductOrServiceAxis_019fdd4c-fce4-722a-9915-797ff6b3af1d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019fdd4c-fce4-722a-9915-797ff6b3af1d_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_019fdd4c-fce4-722a-9915-797ff6b3af1d" xlink:to="loc_srt_ProductsAndServicesDomain_019fdd4c-fce4-722a-9915-797ff6b3af1d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019fdd4c-fce4-7a19-9cb2-4e5409480ab0" 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_019fdd4c-fce4-722a-9915-797ff6b3af1d" xlink:to="loc_srt_ProductsAndServicesDomain_019fdd4c-fce4-7a19-9cb2-4e5409480ab0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_HomeBuildingSalesMember_019fdd4c-fce4-71a2-8e1d-ff6e5c1e647a" xlink:href="phm-20260930.xsd#phm_HomeBuildingSalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fdd4c-fce4-7a19-9cb2-4e5409480ab0" xlink:to="loc_phm_HomeBuildingSalesMember_019fdd4c-fce4-71a2-8e1d-ff6e5c1e647a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandMember_019fdd4c-fce4-7a7a-854d-39d9cac2d21c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LandMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fdd4c-fce4-7a19-9cb2-4e5409480ab0" xlink:to="loc_us-gaap_LandMember_019fdd4c-fce4-7a7a-854d-39d9cac2d21c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateAbstract_019fdd4c-fce4-7051-86e1-2b8bd389868a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RealEstateAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fdd4c-fce4-78e5-ad83-271eaa511a47" xlink:to="loc_us-gaap_RealEstateAbstract_019fdd4c-fce4-7051-86e1-2b8bd389868a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_019fdd4c-fce4-725c-a1f3-aaa30d16150f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAbstract_019fdd4c-fce4-7051-86e1-2b8bd389868a" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerAbstract_019fdd4c-fce4-725c-a1f3-aaa30d16150f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019fdd4c-fce4-71f9-96ad-04beaf5842ae" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_019fdd4c-fce4-725c-a1f3-aaa30d16150f" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019fdd4c-fce4-71f9-96ad-04beaf5842ae" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenueAbstract_019fdd4c-fce4-7719-a304-14b8aa2090d5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfRevenueAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fdd4c-fce4-78e5-ad83-271eaa511a47" xlink:to="loc_us-gaap_CostOfRevenueAbstract_019fdd4c-fce4-7719-a304-14b8aa2090d5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019fdd4c-fce4-7e51-97a9-face42c25427" 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_CostOfRevenueAbstract_019fdd4c-fce4-7719-a304-14b8aa2090d5" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019fdd4c-fce4-7e51-97a9-face42c25427" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostOfOperatingRevenue_019fdd4c-fce4-7cf8-900d-c3c0adfb6dc0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherCostOfOperatingRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fdd4c-fce4-78e5-ad83-271eaa511a47" xlink:to="loc_us-gaap_OtherCostOfOperatingRevenue_019fdd4c-fce4-7cf8-900d-c3c0adfb6dc0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019fdd4c-fce4-7161-a67e-832a6cc5b6f0" 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_019fdd4c-fce4-78e5-ad83-271eaa511a47" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019fdd4c-fce4-7161-a67e-832a6cc5b6f0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_019fdd4c-fce4-7524-9ff8-29640fb430fe" 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_019fdd4c-fce4-78e5-ad83-271eaa511a47" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_019fdd4c-fce4-7524-9ff8-29640fb430fe" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_019fdd4c-fce4-7ba0-8b1f-fee911438152" 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_StatementLineItems_019fdd4c-fce4-78e5-ad83-271eaa511a47" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_019fdd4c-fce4-7ba0-8b1f-fee911438152" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_019fdd4c-fce4-7dd1-a14f-48c93986d6c6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fdd4c-fce4-78e5-ad83-271eaa511a47" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_019fdd4c-fce4-7dd1-a14f-48c93986d6c6" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019fdd4c-fce4-786c-8502-e7d7478ffabc" 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_019fdd4c-fce4-78e5-ad83-271eaa511a47" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019fdd4c-fce4-786c-8502-e7d7478ffabc" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019fdd4c-fce4-78c1-b331-0f04200e847d" 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_019fdd4c-fce4-78e5-ad83-271eaa511a47" xlink:to="loc_us-gaap_NetIncomeLoss_019fdd4c-fce4-78c1-b331-0f04200e847d" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_019fdd4c-fce4-764f-a37d-f933f9e5fe4d" 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_019fdd4c-fce4-78e5-ad83-271eaa511a47" xlink:to="loc_us-gaap_EarningsPerShareAbstract_019fdd4c-fce4-764f-a37d-f933f9e5fe4d" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_019fdd4c-fce4-7973-852b-319d4261b158" 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_019fdd4c-fce4-764f-a37d-f933f9e5fe4d" xlink:to="loc_us-gaap_EarningsPerShareBasic_019fdd4c-fce4-7973-852b-319d4261b158" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_019fdd4c-fce4-78b9-bf41-2d0c5d0eb35e" 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_019fdd4c-fce4-764f-a37d-f933f9e5fe4d" xlink:to="loc_us-gaap_EarningsPerShareDiluted_019fdd4c-fce4-78b9-bf41-2d0c5d0eb35e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_019fdd4c-fce4-7923-a60c-f0f781a7a9bf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockDividendsPerShareDeclared"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareAbstract_019fdd4c-fce4-764f-a37d-f933f9e5fe4d" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_019fdd4c-fce4-7923-a60c-f0f781a7a9bf" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerUnitAbstract_019fdd4c-fce4-73aa-8db4-72d1d4000842" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerUnitAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fdd4c-fce4-78e5-ad83-271eaa511a47" xlink:to="loc_us-gaap_EarningsPerUnitAbstract_019fdd4c-fce4-73aa-8db4-72d1d4000842" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019fdd4c-fce4-7d35-83ef-0d6c23544891" 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_EarningsPerUnitAbstract_019fdd4c-fce4-73aa-8db4-72d1d4000842" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019fdd4c-fce4-7d35-83ef-0d6c23544891" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_019fdd4c-fce4-7622-970f-20a491be2e48" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerUnitAbstract_019fdd4c-fce4-73aa-8db4-72d1d4000842" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_019fdd4c-fce4-7622-970f-20a491be2e48" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019fdd4c-fce4-7ff3-bcd0-9e767f21248f" 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_EarningsPerUnitAbstract_019fdd4c-fce4-73aa-8db4-72d1d4000842" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019fdd4c-fce4-7ff3-bcd0-9e767f21248f" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pultegroupinc.com/role/ConsolidatedStatementsOfShareholdersEquity" xlink:type="simple" xlink:href="phm-20260930.xsd#ConsolidatedStatementsOfShareholdersEquity"/>
  <link:definitionLink xlink:role="http://www.pultegroupinc.com/role/ConsolidatedStatementsOfShareholdersEquity" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019fdd4c-fce4-7aeb-a2ba-01ab4b279449" 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_019fdd4c-fce4-74c9-a734-9c442db862d6" 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_019fdd4c-fce4-7aeb-a2ba-01ab4b279449" xlink:to="loc_us-gaap_StatementTable_019fdd4c-fce4-74c9-a734-9c442db862d6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019fdd4c-fce4-7b84-8258-59fdc6e5e7a5" 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_019fdd4c-fce4-74c9-a734-9c442db862d6" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019fdd4c-fce4-7b84-8258-59fdc6e5e7a5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019fdd4c-fce4-7b84-8258-59fdc6e5e7a5_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_019fdd4c-fce4-7b84-8258-59fdc6e5e7a5" xlink:to="loc_us-gaap_EquityComponentDomain_019fdd4c-fce4-7b84-8258-59fdc6e5e7a5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019fdd4c-fce4-7af5-a42f-dd4624c458a8" 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_019fdd4c-fce4-7b84-8258-59fdc6e5e7a5" xlink:to="loc_us-gaap_EquityComponentDomain_019fdd4c-fce4-7af5-a42f-dd4624c458a8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_019fdd4c-fce4-7b5d-9ee9-5fcd0c064ee2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fdd4c-fce4-7af5-a42f-dd4624c458a8" xlink:to="loc_us-gaap_CommonStockMember_019fdd4c-fce4-7b5d-9ee9-5fcd0c064ee2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_019fdd4c-fce4-72ed-9511-6e08428eb351" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fdd4c-fce4-7af5-a42f-dd4624c458a8" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_019fdd4c-fce4-72ed-9511-6e08428eb351" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_019fdd4c-fce4-7ead-8c92-5218c8c583e4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fdd4c-fce4-7af5-a42f-dd4624c458a8" xlink:to="loc_us-gaap_RetainedEarningsMember_019fdd4c-fce4-7ead-8c92-5218c8c583e4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fdd4c-fce4-7b7a-94f9-16d43deba441" 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_019fdd4c-fce4-7aeb-a2ba-01ab4b279449" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fdd4c-fce4-7b7a-94f9-16d43deba441" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_019fdd4c-fce4-79c2-85d8-1c87912d9be6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fdd4c-fce4-7b7a-94f9-16d43deba441" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_019fdd4c-fce4-79c2-85d8-1c87912d9be6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019fdd4c-fce4-78bf-984e-bb5a32a3eea7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fdd4c-fce4-7b7a-94f9-16d43deba441" xlink:to="loc_us-gaap_StockholdersEquity_019fdd4c-fce4-78bf-984e-bb5a32a3eea7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_019fdd4c-fce4-7ed5-b0eb-19908b77b35f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fdd4c-fce4-7b7a-94f9-16d43deba441" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_019fdd4c-fce4-7ed5-b0eb-19908b77b35f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_019fdd4c-fce4-7a9d-98e3-a2cc4bd53e72" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fdd4c-fce4-7b7a-94f9-16d43deba441" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_019fdd4c-fce4-7a9d-98e3-a2cc4bd53e72" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Dividends_019fdd4c-fce4-73bf-9e39-a6823a0c6b69" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Dividends"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fdd4c-fce4-7b7a-94f9-16d43deba441" xlink:to="loc_us-gaap_Dividends_019fdd4c-fce4-73bf-9e39-a6823a0c6b69" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_019fdd4c-fce4-7039-beb4-0f97a3b62744" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fdd4c-fce4-7b7a-94f9-16d43deba441" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_019fdd4c-fce4-7039-beb4-0f97a3b62744" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_019fdd4c-fce4-7a95-86ef-20ba923a142c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fdd4c-fce4-7b7a-94f9-16d43deba441" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_019fdd4c-fce4-7a95-86ef-20ba923a142c" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_ExciseTaxOnShareRepurchase_019fdd4c-fce4-734c-916e-6fbd9d2df4b7" xlink:href="phm-20260930.xsd#phm_ExciseTaxOnShareRepurchase"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fdd4c-fce4-7b7a-94f9-16d43deba441" xlink:to="loc_phm_ExciseTaxOnShareRepurchase_019fdd4c-fce4-734c-916e-6fbd9d2df4b7" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_019fdd4c-fce4-70f4-8216-efaf815789c5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fdd4c-fce4-7b7a-94f9-16d43deba441" xlink:to="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_019fdd4c-fce4-70f4-8216-efaf815789c5" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_019fdd4c-fce4-7f4d-aee7-8753b3cad028" 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_019fdd4c-fce4-7b7a-94f9-16d43deba441" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_019fdd4c-fce4-7f4d-aee7-8753b3cad028" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019fdd4c-fce4-72ea-8352-8ab0d4cd9812" 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_IncreaseDecreaseInStockholdersEquityRollForward_019fdd4c-fce4-7b7a-94f9-16d43deba441" xlink:to="loc_us-gaap_NetIncomeLoss_019fdd4c-fce4-72ea-8352-8ab0d4cd9812" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_019fdd4c-fce4-7af9-856c-afd18f3f5278" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019fdd4c-fce4-705c-882b-c45655b719b3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pultegroupinc.com/role/BasisofPresentationNarrativeDetails" xlink:type="simple" xlink:href="phm-20260930.xsd#BasisofPresentationNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.pultegroupinc.com/role/BasisofPresentationNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019fdd4c-fce4-77d6-8e40-1e1eff718c00" 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_019fdd4c-fce4-7709-af17-0392b4cc1906" 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_019fdd4c-fce4-77d6-8e40-1e1eff718c00" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019fdd4c-fce4-7709-af17-0392b4cc1906" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_019fdd4c-fce4-70f7-9a16-0b6071c786de" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019fdd4c-fce4-7709-af17-0392b4cc1906" xlink:to="loc_us-gaap_FinancialInstrumentAxis_019fdd4c-fce4-70f7-9a16-0b6071c786de" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019fdd4c-fce4-70f7-9a16-0b6071c786de_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019fdd4c-fce4-70f7-9a16-0b6071c786de" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019fdd4c-fce4-70f7-9a16-0b6071c786de_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019fdd4c-fce4-7d03-adcb-af30a44271d1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019fdd4c-fce4-70f7-9a16-0b6071c786de" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019fdd4c-fce4-7d03-adcb-af30a44271d1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateLockCommitmentsMember_019fdd4c-fce4-753d-973f-2a3b03ea5f11" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestRateLockCommitmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019fdd4c-fce4-7d03-adcb-af30a44271d1" xlink:to="loc_us-gaap_InterestRateLockCommitmentsMember_019fdd4c-fce4-753d-973f-2a3b03ea5f11" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractsMember_019fdd4c-fce4-7b34-9d55-89534e548540" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForwardContractsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019fdd4c-fce4-7d03-adcb-af30a44271d1" xlink:to="loc_us-gaap_ForwardContractsMember_019fdd4c-fce4-7b34-9d55-89534e548540" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoanPurchaseCommitmentsMember_019fdd4c-fce4-7e1d-9110-70965e9b412e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LoanPurchaseCommitmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019fdd4c-fce4-7d03-adcb-af30a44271d1" xlink:to="loc_us-gaap_LoanPurchaseCommitmentsMember_019fdd4c-fce4-7e1d-9110-70965e9b412e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiability_019fdd4c-fce4-7446-9d8e-7090167ca30f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019fdd4c-fce4-77d6-8e40-1e1eff718c00" xlink:to="loc_us-gaap_ContractWithCustomerLiability_019fdd4c-fce4-7446-9d8e-7090167ca30f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_Contractassetinsurancerenewals_019fdd4c-fce4-7577-9531-0486af744743" xlink:href="phm-20260930.xsd#phm_Contractassetinsurancerenewals"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019fdd4c-fce4-77d6-8e40-1e1eff718c00" xlink:to="loc_phm_Contractassetinsurancerenewals_019fdd4c-fce4-7577-9531-0486af744743" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoansHeldForSaleFairValueDisclosure_019fdd4c-fce4-77f5-a0b0-5594402fed94" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LoansHeldForSaleFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019fdd4c-fce4-77d6-8e40-1e1eff718c00" xlink:to="loc_us-gaap_LoansHeldForSaleFairValueDisclosure_019fdd4c-fce4-77f5-a0b0-5594402fed94" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRealEstateMortgageLoansHeldInInventory_019fdd4c-fce4-7b51-92e5-c9dee4d35747" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryRealEstateMortgageLoansHeldInInventory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019fdd4c-fce4-77d6-8e40-1e1eff718c00" xlink:to="loc_us-gaap_InventoryRealEstateMortgageLoansHeldInInventory_019fdd4c-fce4-7b51-92e5-c9dee4d35747" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfMortgageLoans_019fdd4c-fce4-709b-9f87-2c3db522988a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnSaleOfMortgageLoans"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019fdd4c-fce4-77d6-8e40-1e1eff718c00" xlink:to="loc_us-gaap_GainLossOnSaleOfMortgageLoans_019fdd4c-fce4-709b-9f87-2c3db522988a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_019fdd4c-fce4-7b0e-a7cd-b8bb4c811768" 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_FiniteLivedIntangibleAssetsLineItems_019fdd4c-fce4-77d6-8e40-1e1eff718c00" xlink:to="loc_us-gaap_DerivativeNotionalAmount_019fdd4c-fce4-7b0e-a7cd-b8bb4c811768" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MaximumLengthOfTimeHedgedInCashFlowHedge1_019fdd4c-fce4-7787-9cec-2b1452e84059" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MaximumLengthOfTimeHedgedInCashFlowHedge1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019fdd4c-fce4-77d6-8e40-1e1eff718c00" xlink:to="loc_us-gaap_MaximumLengthOfTimeHedgedInCashFlowHedge1_019fdd4c-fce4-7787-9cec-2b1452e84059" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pultegroupinc.com/role/BasisofPresentationFairValueOftheCompanysDerivativeInstrumentsDetails" xlink:type="simple" xlink:href="phm-20260930.xsd#BasisofPresentationFairValueOftheCompanysDerivativeInstrumentsDetails"/>
  <link:definitionLink xlink:role="http://www.pultegroupinc.com/role/BasisofPresentationFairValueOftheCompanysDerivativeInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems_019fdd4c-fce4-78ad-b897-c89cf4eda643" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable_019fdd4c-fce4-7eec-8d97-59acd4ec8d12" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems_019fdd4c-fce4-78ad-b897-c89cf4eda643" xlink:to="loc_us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable_019fdd4c-fce4-7eec-8d97-59acd4ec8d12" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_019fdd4c-fce4-7a5b-846d-58a8baa9ff98" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable_019fdd4c-fce4-7eec-8d97-59acd4ec8d12" xlink:to="loc_us-gaap_FinancialInstrumentAxis_019fdd4c-fce4-7a5b-846d-58a8baa9ff98" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019fdd4c-fce4-7a5b-846d-58a8baa9ff98_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019fdd4c-fce4-7a5b-846d-58a8baa9ff98" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019fdd4c-fce4-7a5b-846d-58a8baa9ff98_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019fdd4c-fce4-7b66-bc89-b60353f21722" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019fdd4c-fce4-7a5b-846d-58a8baa9ff98" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019fdd4c-fce4-7b66-bc89-b60353f21722" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateLockCommitmentsMember_019fdd4c-fce4-7af3-8a6d-d007573b2605" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestRateLockCommitmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019fdd4c-fce4-7b66-bc89-b60353f21722" xlink:to="loc_us-gaap_InterestRateLockCommitmentsMember_019fdd4c-fce4-7af3-8a6d-d007573b2605" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractsMember_019fdd4c-fce4-7c01-ac64-ad806287e3d7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForwardContractsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019fdd4c-fce4-7b66-bc89-b60353f21722" xlink:to="loc_us-gaap_ForwardContractsMember_019fdd4c-fce4-7c01-ac64-ad806287e3d7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoanPurchaseCommitmentsMember_019fdd4c-fce4-7c7f-b8af-0f9f49ab549d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LoanPurchaseCommitmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019fdd4c-fce4-7b66-bc89-b60353f21722" xlink:to="loc_us-gaap_LoanPurchaseCommitmentsMember_019fdd4c-fce4-7c7f-b8af-0f9f49ab549d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsInHedgesAssetsAtFairValue_019fdd4c-fce4-74b2-89e9-0509e7254933" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsInHedgesAssetsAtFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems_019fdd4c-fce4-78ad-b897-c89cf4eda643" xlink:to="loc_us-gaap_DerivativeInstrumentsInHedgesAssetsAtFairValue_019fdd4c-fce4-74b2-89e9-0509e7254933" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsInHedgesLiabilitiesAtFairValue_019fdd4c-fce4-79e3-9ecf-b02770251076" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsInHedgesLiabilitiesAtFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems_019fdd4c-fce4-78ad-b897-c89cf4eda643" xlink:to="loc_us-gaap_DerivativeInstrumentsInHedgesLiabilitiesAtFairValue_019fdd4c-fce4-79e3-9ecf-b02770251076" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pultegroupinc.com/role/HouseandLandInventorySummaryofInterestsinLandOptionAgreementsDetails" xlink:type="simple" xlink:href="phm-20260930.xsd#HouseandLandInventorySummaryofInterestsinLandOptionAgreementsDetails"/>
  <link:definitionLink xlink:role="http://www.pultegroupinc.com/role/HouseandLandInventorySummaryofInterestsinLandOptionAgreementsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityLineItems_019fdd4c-fce4-7fbf-ad51-a2115477b454" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VariableInterestEntityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_019fdd4c-fce4-79cb-813d-3570f0717b6a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_019fdd4c-fce4-7fbf-ad51-a2115477b454" xlink:to="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_019fdd4c-fce4-79cb-813d-3570f0717b6a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_019fdd4c-fce4-76e1-b198-29767a3e1d30" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_019fdd4c-fce4-79cb-813d-3570f0717b6a" xlink:to="loc_srt_ConsolidatedEntitiesAxis_019fdd4c-fce4-76e1-b198-29767a3e1d30" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019fdd4c-fce4-76e1-b198-29767a3e1d30_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_019fdd4c-fce4-76e1-b198-29767a3e1d30" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019fdd4c-fce4-76e1-b198-29767a3e1d30_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019fdd4c-fce4-77e9-9831-d34fe8b27465" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_019fdd4c-fce4-76e1-b198-29767a3e1d30" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019fdd4c-fce4-77e9-9831-d34fe8b27465" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember_019fdd4c-fce4-7513-8585-f0d94f16be9a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_019fdd4c-fce4-77e9-9831-d34fe8b27465" xlink:to="loc_us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember_019fdd4c-fce4-7513-8585-f0d94f16be9a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConsolidatedEntityExcludingVieMember_019fdd4c-fce4-7f74-966a-9fb30f6173aa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConsolidatedEntityExcludingVieMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_019fdd4c-fce4-77e9-9831-d34fe8b27465" xlink:to="loc_us-gaap_ConsolidatedEntityExcludingVieMember_019fdd4c-fce4-7f74-966a-9fb30f6173aa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseOptionsLand_019fdd4c-fce4-706f-908a-e58ae728d131" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PurchaseOptionsLand"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_019fdd4c-fce4-7fbf-ad51-a2115477b454" xlink:to="loc_us-gaap_PurchaseOptionsLand_019fdd4c-fce4-706f-908a-e58ae728d131" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_RemainingPurchasePriceOfAllLandOptionAgreements_019fdd4c-fce4-7d02-8a06-c1ec2b470ac8" xlink:href="phm-20260930.xsd#phm_RemainingPurchasePriceOfAllLandOptionAgreements"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_019fdd4c-fce4-7fbf-ad51-a2115477b454" xlink:to="loc_phm_RemainingPurchasePriceOfAllLandOptionAgreements_019fdd4c-fce4-7d02-8a06-c1ec2b470ac8" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pultegroupinc.com/role/SegmentInformationNarrativeDetails" xlink:type="simple" xlink:href="phm-20260930.xsd#SegmentInformationNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.pultegroupinc.com/role/SegmentInformationNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019fdd4c-fce4-7a8f-8d17-ea54fd63b7fe" 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_019fdd4c-fce4-7cc0-bafd-aa8e0b80a166" 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_019fdd4c-fce4-7a8f-8d17-ea54fd63b7fe" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fdd4c-fce4-7cc0-bafd-aa8e0b80a166" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019fdd4c-fce4-707a-8a52-106371eea314" 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_019fdd4c-fce4-7cc0-bafd-aa8e0b80a166" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019fdd4c-fce4-707a-8a52-106371eea314" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fdd4c-fce4-707a-8a52-106371eea314_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_019fdd4c-fce4-707a-8a52-106371eea314" xlink:to="loc_us-gaap_SegmentDomain_019fdd4c-fce4-707a-8a52-106371eea314_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7299-9c65-0a68d51dd61d" 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_019fdd4c-fce4-707a-8a52-106371eea314" xlink:to="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7299-9c65-0a68d51dd61d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_HomeBuildingSegmentMember_019fdd4c-fce4-77fe-ab69-caa192930267" xlink:href="phm-20260930.xsd#phm_HomeBuildingSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7299-9c65-0a68d51dd61d" xlink:to="loc_phm_HomeBuildingSegmentMember_019fdd4c-fce4-77fe-ab69-caa192930267" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportableSegments_019fdd4c-fce4-7fbd-afc8-df9ad5fe379a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfReportableSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fdd4c-fce4-7a8f-8d17-ea54fd63b7fe" xlink:to="loc_us-gaap_NumberOfReportableSegments_019fdd4c-fce4-7fbd-afc8-df9ad5fe379a" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pultegroupinc.com/role/SegmentInformationOperatingDataBySegmentDetails" xlink:type="simple" xlink:href="phm-20260930.xsd#SegmentInformationOperatingDataBySegmentDetails"/>
  <link:definitionLink xlink:role="http://www.pultegroupinc.com/role/SegmentInformationOperatingDataBySegmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019fdd4c-fce4-7ea0-be8b-cc7a46d65285" 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_019fdd4c-fce4-7728-9ac6-ddab3d674c5e" 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_019fdd4c-fce4-7ea0-be8b-cc7a46d65285" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fdd4c-fce4-7728-9ac6-ddab3d674c5e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019fdd4c-fce4-74fc-8cbe-861ada5ae4e2" 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_019fdd4c-fce4-7728-9ac6-ddab3d674c5e" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019fdd4c-fce4-74fc-8cbe-861ada5ae4e2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fdd4c-fce4-74fc-8cbe-861ada5ae4e2_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_019fdd4c-fce4-74fc-8cbe-861ada5ae4e2" xlink:to="loc_us-gaap_SegmentDomain_019fdd4c-fce4-74fc-8cbe-861ada5ae4e2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7030-a72c-455f58ac0971" 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_019fdd4c-fce4-74fc-8cbe-861ada5ae4e2" xlink:to="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7030-a72c-455f58ac0971" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_HomeBuildingSegmentMember_019fdd4c-fce4-75e1-8211-a5814a5bd432" xlink:href="phm-20260930.xsd#phm_HomeBuildingSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7030-a72c-455f58ac0971" xlink:to="loc_phm_HomeBuildingSegmentMember_019fdd4c-fce4-75e1-8211-a5814a5bd432" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_FinancialServicesMember_019fdd4c-fce4-7efd-8cd5-fafb4cbfd6cc" xlink:href="phm-20260930.xsd#phm_FinancialServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7030-a72c-455f58ac0971" xlink:to="loc_phm_FinancialServicesMember_019fdd4c-fce4-7efd-8cd5-fafb4cbfd6cc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_019fdd4c-fce4-78cf-b4ba-362306dc9d54" 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_019fdd4c-fce4-7728-9ac6-ddab3d674c5e" xlink:to="loc_srt_ConsolidationItemsAxis_019fdd4c-fce4-78cf-b4ba-362306dc9d54" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019fdd4c-fce4-78cf-b4ba-362306dc9d54_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_019fdd4c-fce4-78cf-b4ba-362306dc9d54" xlink:to="loc_srt_ConsolidationItemsDomain_019fdd4c-fce4-78cf-b4ba-362306dc9d54_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019fdd4c-fce4-7911-9aaf-1bf85d27f06d" 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_019fdd4c-fce4-78cf-b4ba-362306dc9d54" xlink:to="loc_srt_ConsolidationItemsDomain_019fdd4c-fce4-7911-9aaf-1bf85d27f06d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_019fdd4c-fce4-7d46-911a-d3aeadaa6161" 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_019fdd4c-fce4-7911-9aaf-1bf85d27f06d" xlink:to="loc_us-gaap_OperatingSegmentsMember_019fdd4c-fce4-7d46-911a-d3aeadaa6161" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsegmentsAxis_019fdd4c-fce4-72e2-9daf-3c5aff2bd856" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fdd4c-fce4-7728-9ac6-ddab3d674c5e" xlink:to="loc_us-gaap_SubsegmentsAxis_019fdd4c-fce4-72e2-9daf-3c5aff2bd856" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-72e2-9daf-3c5aff2bd856_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsegmentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsegmentsAxis_019fdd4c-fce4-72e2-9daf-3c5aff2bd856" xlink:to="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-72e2-9daf-3c5aff2bd856_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-7f4f-b1f4-83bf8d19f572" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsegmentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsegmentsAxis_019fdd4c-fce4-72e2-9daf-3c5aff2bd856" xlink:to="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-7f4f-b1f4-83bf8d19f572" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_NortheastMember_019fdd4c-fce4-71c2-9ad5-117eb684d8c5" xlink:href="phm-20260930.xsd#phm_NortheastMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-7f4f-b1f4-83bf8d19f572" xlink:to="loc_phm_NortheastMember_019fdd4c-fce4-71c2-9ad5-117eb684d8c5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_SoutheastMember_019fdd4c-fce4-7f94-b9a5-692249981c69" xlink:href="phm-20260930.xsd#phm_SoutheastMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-7f4f-b1f4-83bf8d19f572" xlink:to="loc_phm_SoutheastMember_019fdd4c-fce4-7f94-b9a5-692249981c69" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_stpr_FL_019fdd4c-fce4-7846-8211-f1f358b9e5f6" xlink:href="https://xbrl.sec.gov/stpr/2026/stpr-2026.xsd#stpr_FL"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-7f4f-b1f4-83bf8d19f572" xlink:to="loc_stpr_FL_019fdd4c-fce4-7846-8211-f1f358b9e5f6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_MidwestMemberMember_019fdd4c-fce4-7dba-93d4-6b739dcd5aa9" xlink:href="phm-20260930.xsd#phm_MidwestMemberMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-7f4f-b1f4-83bf8d19f572" xlink:to="loc_phm_MidwestMemberMember_019fdd4c-fce4-7dba-93d4-6b739dcd5aa9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_stpr_TX_019fdd4c-fce4-7cbe-ac0b-0dcd84c7f6df" xlink:href="https://xbrl.sec.gov/stpr/2026/stpr-2026.xsd#stpr_TX"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-7f4f-b1f4-83bf8d19f572" xlink:to="loc_stpr_TX_019fdd4c-fce4-7cbe-ac0b-0dcd84c7f6df" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_WestMemberMember_019fdd4c-fce4-7304-b052-0b73ed6a6334" xlink:href="phm-20260930.xsd#phm_WestMemberMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-7f4f-b1f4-83bf8d19f572" xlink:to="loc_phm_WestMemberMember_019fdd4c-fce4-7304-b052-0b73ed6a6334" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_OtherHomebuildingMember_019fdd4c-fce4-7bb0-b1f8-79c8ae38dc97" xlink:href="phm-20260930.xsd#phm_OtherHomebuildingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-7f4f-b1f4-83bf8d19f572" xlink:to="loc_phm_OtherHomebuildingMember_019fdd4c-fce4-7bb0-b1f8-79c8ae38dc97" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_019fdd4c-fce4-7560-8435-80395b81490d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fdd4c-fce4-7ea0-be8b-cc7a46d65285" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerAbstract_019fdd4c-fce4-7560-8435-80395b81490d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019fdd4c-fce4-75be-a1ff-465f09ebacde" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_019fdd4c-fce4-7560-8435-80395b81490d" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019fdd4c-fce4-75be-a1ff-465f09ebacde" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019fdd4c-fce4-77ee-af61-674e11ece825" 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_019fdd4c-fce4-7ea0-be8b-cc7a46d65285" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019fdd4c-fce4-77ee-af61-674e11ece825" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019fdd4c-fce4-7ce1-9dc9-389f9fee1f08" 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_SegmentReportingInformationLineItems_019fdd4c-fce4-7ea0-be8b-cc7a46d65285" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019fdd4c-fce4-7ce1-9dc9-389f9fee1f08" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingOtherItemAmount_019fdd4c-fce4-7398-8f23-ef554c664c3a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingOtherItemAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fdd4c-fce4-7ea0-be8b-cc7a46d65285" xlink:to="loc_us-gaap_SegmentReportingOtherItemAmount_019fdd4c-fce4-7398-8f23-ef554c664c3a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_019fdd4c-fce4-7ac4-a12c-36b792233cfb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fdd4c-fce4-7ea0-be8b-cc7a46d65285" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_019fdd4c-fce4-7ac4-a12c-36b792233cfb" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_01a144e1-5282-7591-b798-a411160900bd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnDispositionOfAssets1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fdd4c-fce4-7ea0-be8b-cc7a46d65285" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets1_01a144e1-5282-7591-b798-a411160900bd" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pultegroupinc.com/role/SegmentInformationLandRelatedChargesbySegmentDetails" xlink:type="simple" xlink:href="phm-20260930.xsd#SegmentInformationLandRelatedChargesbySegmentDetails"/>
  <link:definitionLink xlink:role="http://www.pultegroupinc.com/role/SegmentInformationLandRelatedChargesbySegmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019fdd4c-fce4-757a-89ea-bcbfa6d3c550" 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_019fdd4c-fce4-78f7-95bc-0cfb3a58ab89" 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_019fdd4c-fce4-757a-89ea-bcbfa6d3c550" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fdd4c-fce4-78f7-95bc-0cfb3a58ab89" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_019fdd4c-fce4-7417-ab67-8c5362cafa1f" 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_019fdd4c-fce4-78f7-95bc-0cfb3a58ab89" xlink:to="loc_srt_ConsolidationItemsAxis_019fdd4c-fce4-7417-ab67-8c5362cafa1f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019fdd4c-fce4-7417-ab67-8c5362cafa1f_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_019fdd4c-fce4-7417-ab67-8c5362cafa1f" xlink:to="loc_srt_ConsolidationItemsDomain_019fdd4c-fce4-7417-ab67-8c5362cafa1f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019fdd4c-fce4-7aaa-8101-7592b514a0a3" 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_019fdd4c-fce4-7417-ab67-8c5362cafa1f" xlink:to="loc_srt_ConsolidationItemsDomain_019fdd4c-fce4-7aaa-8101-7592b514a0a3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_019fdd4c-fce4-7f0d-9d13-b1bbfef64ae9" 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_019fdd4c-fce4-7aaa-8101-7592b514a0a3" xlink:to="loc_us-gaap_OperatingSegmentsMember_019fdd4c-fce4-7f0d-9d13-b1bbfef64ae9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019fdd4c-fce4-7deb-b480-f8f5e1aa56af" 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_019fdd4c-fce4-78f7-95bc-0cfb3a58ab89" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019fdd4c-fce4-7deb-b480-f8f5e1aa56af" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7deb-b480-f8f5e1aa56af_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_019fdd4c-fce4-7deb-b480-f8f5e1aa56af" xlink:to="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7deb-b480-f8f5e1aa56af_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7e9f-a0b6-d53678395f66" 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_019fdd4c-fce4-7deb-b480-f8f5e1aa56af" xlink:to="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7e9f-a0b6-d53678395f66" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_HomeBuildingSegmentMember_019fdd4c-fce4-7352-9f23-10c76966ab3d" xlink:href="phm-20260930.xsd#phm_HomeBuildingSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7e9f-a0b6-d53678395f66" xlink:to="loc_phm_HomeBuildingSegmentMember_019fdd4c-fce4-7352-9f23-10c76966ab3d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_FinancialServicesMember_019fdd4c-fce4-7540-a249-6cf88b727d42" xlink:href="phm-20260930.xsd#phm_FinancialServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7e9f-a0b6-d53678395f66" xlink:to="loc_phm_FinancialServicesMember_019fdd4c-fce4-7540-a249-6cf88b727d42" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsegmentsAxis_019fdd4c-fce4-75cc-babd-95ec6860b9e5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fdd4c-fce4-78f7-95bc-0cfb3a58ab89" xlink:to="loc_us-gaap_SubsegmentsAxis_019fdd4c-fce4-75cc-babd-95ec6860b9e5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-75cc-babd-95ec6860b9e5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsegmentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsegmentsAxis_019fdd4c-fce4-75cc-babd-95ec6860b9e5" xlink:to="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-75cc-babd-95ec6860b9e5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-755a-bc0f-d9f68f70f2d0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsegmentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsegmentsAxis_019fdd4c-fce4-75cc-babd-95ec6860b9e5" xlink:to="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-755a-bc0f-d9f68f70f2d0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_NortheastMember_019fdd4c-fce4-770b-a222-6453aa10b35e" xlink:href="phm-20260930.xsd#phm_NortheastMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-755a-bc0f-d9f68f70f2d0" xlink:to="loc_phm_NortheastMember_019fdd4c-fce4-770b-a222-6453aa10b35e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_SoutheastMember_019fdd4c-fce4-7c69-95fb-94e4436b32eb" xlink:href="phm-20260930.xsd#phm_SoutheastMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-755a-bc0f-d9f68f70f2d0" xlink:to="loc_phm_SoutheastMember_019fdd4c-fce4-7c69-95fb-94e4436b32eb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_stpr_FL_019fdd4c-fce4-7fb8-a78b-b90e7f6c328a" xlink:href="https://xbrl.sec.gov/stpr/2026/stpr-2026.xsd#stpr_FL"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-755a-bc0f-d9f68f70f2d0" xlink:to="loc_stpr_FL_019fdd4c-fce4-7fb8-a78b-b90e7f6c328a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_MidwestMemberMember_019fdd4c-fce4-75cc-a208-9daf84337f34" xlink:href="phm-20260930.xsd#phm_MidwestMemberMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-755a-bc0f-d9f68f70f2d0" xlink:to="loc_phm_MidwestMemberMember_019fdd4c-fce4-75cc-a208-9daf84337f34" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_stpr_TX_019fdd4c-fce4-754c-b43f-5a731c035af5" xlink:href="https://xbrl.sec.gov/stpr/2026/stpr-2026.xsd#stpr_TX"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-755a-bc0f-d9f68f70f2d0" xlink:to="loc_stpr_TX_019fdd4c-fce4-754c-b43f-5a731c035af5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_WestMemberMember_019fdd4c-fce4-73ac-a22c-21231966b761" xlink:href="phm-20260930.xsd#phm_WestMemberMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-755a-bc0f-d9f68f70f2d0" xlink:to="loc_phm_WestMemberMember_019fdd4c-fce4-73ac-a22c-21231966b761" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_OtherHomebuildingMember_019fdd4c-fce4-7f76-b964-2e6f5f49757c" xlink:href="phm-20260930.xsd#phm_OtherHomebuildingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-755a-bc0f-d9f68f70f2d0" xlink:to="loc_phm_OtherHomebuildingMember_019fdd4c-fce4-7f76-b964-2e6f5f49757c" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductionRelatedImpairmentsOrCharges_019fdd4c-fce4-7d48-981e-fd47660cd849" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProductionRelatedImpairmentsOrCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fdd4c-fce4-757a-89ea-bcbfa6d3c550" xlink:to="loc_us-gaap_ProductionRelatedImpairmentsOrCharges_019fdd4c-fce4-7d48-981e-fd47660cd849" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pultegroupinc.com/role/SegmentInformationDepreciationDetails" xlink:type="simple" xlink:href="phm-20260930.xsd#SegmentInformationDepreciationDetails"/>
  <link:definitionLink xlink:role="http://www.pultegroupinc.com/role/SegmentInformationDepreciationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_phm_SegmentInformationDepreciationAndAmortizationDetailsLineItems_019fdd4c-fce4-7b57-b0ef-e95395ccfa73" xlink:href="phm-20260930.xsd#phm_SegmentInformationDepreciationAndAmortizationDetailsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_SegmentInformationDepreciationAndAmortizationDetailsTable_019fdd4c-fce4-7070-b162-10ca42a6b768" xlink:href="phm-20260930.xsd#phm_SegmentInformationDepreciationAndAmortizationDetailsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_phm_SegmentInformationDepreciationAndAmortizationDetailsLineItems_019fdd4c-fce4-7b57-b0ef-e95395ccfa73" xlink:to="loc_phm_SegmentInformationDepreciationAndAmortizationDetailsTable_019fdd4c-fce4-7070-b162-10ca42a6b768" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019fdd4c-fce4-7f2c-8291-4846becd82ef" 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_phm_SegmentInformationDepreciationAndAmortizationDetailsTable_019fdd4c-fce4-7070-b162-10ca42a6b768" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019fdd4c-fce4-7f2c-8291-4846becd82ef" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7f2c-8291-4846becd82ef_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_019fdd4c-fce4-7f2c-8291-4846becd82ef" xlink:to="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7f2c-8291-4846becd82ef_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7d92-b289-2b402fa5767f" 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_019fdd4c-fce4-7f2c-8291-4846becd82ef" xlink:to="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7d92-b289-2b402fa5767f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_HomeBuildingSegmentMember_019fdd4c-fce4-7c7f-af80-5e695f4ada4a" xlink:href="phm-20260930.xsd#phm_HomeBuildingSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7d92-b289-2b402fa5767f" xlink:to="loc_phm_HomeBuildingSegmentMember_019fdd4c-fce4-7c7f-af80-5e695f4ada4a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_FinancialServicesMember_019fdd4c-fce4-7e8e-8c45-21af99177fb2" xlink:href="phm-20260930.xsd#phm_FinancialServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7d92-b289-2b402fa5767f" xlink:to="loc_phm_FinancialServicesMember_019fdd4c-fce4-7e8e-8c45-21af99177fb2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsegmentsAxis_019fdd4c-fce4-70cb-bd62-171a1db5be65" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_phm_SegmentInformationDepreciationAndAmortizationDetailsTable_019fdd4c-fce4-7070-b162-10ca42a6b768" xlink:to="loc_us-gaap_SubsegmentsAxis_019fdd4c-fce4-70cb-bd62-171a1db5be65" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-70cb-bd62-171a1db5be65_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsegmentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsegmentsAxis_019fdd4c-fce4-70cb-bd62-171a1db5be65" xlink:to="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-70cb-bd62-171a1db5be65_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-753f-9643-49b8bc8b41d8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsegmentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsegmentsAxis_019fdd4c-fce4-70cb-bd62-171a1db5be65" xlink:to="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-753f-9643-49b8bc8b41d8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_NortheastMember_019fdd4c-fce4-702a-87ac-f8c9fbb1cfbf" xlink:href="phm-20260930.xsd#phm_NortheastMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-753f-9643-49b8bc8b41d8" xlink:to="loc_phm_NortheastMember_019fdd4c-fce4-702a-87ac-f8c9fbb1cfbf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_SoutheastMember_019fdd4c-fce4-73bf-9f70-e585efc4bb9e" xlink:href="phm-20260930.xsd#phm_SoutheastMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-753f-9643-49b8bc8b41d8" xlink:to="loc_phm_SoutheastMember_019fdd4c-fce4-73bf-9f70-e585efc4bb9e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_stpr_FL_019fdd4c-fce4-7079-9a80-74aa54f80c8e" xlink:href="https://xbrl.sec.gov/stpr/2026/stpr-2026.xsd#stpr_FL"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-753f-9643-49b8bc8b41d8" xlink:to="loc_stpr_FL_019fdd4c-fce4-7079-9a80-74aa54f80c8e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_MidwestMemberMember_019fdd4c-fce4-7065-a938-2380271bef58" xlink:href="phm-20260930.xsd#phm_MidwestMemberMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-753f-9643-49b8bc8b41d8" xlink:to="loc_phm_MidwestMemberMember_019fdd4c-fce4-7065-a938-2380271bef58" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_stpr_TX_019fdd4c-fce4-7a1c-8862-550de4d805d7" xlink:href="https://xbrl.sec.gov/stpr/2026/stpr-2026.xsd#stpr_TX"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-753f-9643-49b8bc8b41d8" xlink:to="loc_stpr_TX_019fdd4c-fce4-7a1c-8862-550de4d805d7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_WestMemberMember_019fdd4c-fce4-7cce-82b4-021c3264237e" xlink:href="phm-20260930.xsd#phm_WestMemberMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-753f-9643-49b8bc8b41d8" xlink:to="loc_phm_WestMemberMember_019fdd4c-fce4-7cce-82b4-021c3264237e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_OtherHomebuildingMember_019fdd4c-fce4-7c30-bd03-6334edff0935" xlink:href="phm-20260930.xsd#phm_OtherHomebuildingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-753f-9643-49b8bc8b41d8" xlink:to="loc_phm_OtherHomebuildingMember_019fdd4c-fce4-7c30-bd03-6334edff0935" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_019fdd4c-fce4-7b08-bfc2-a7a8cef93f8b" 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_phm_SegmentInformationDepreciationAndAmortizationDetailsTable_019fdd4c-fce4-7070-b162-10ca42a6b768" xlink:to="loc_srt_ConsolidationItemsAxis_019fdd4c-fce4-7b08-bfc2-a7a8cef93f8b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019fdd4c-fce4-7b08-bfc2-a7a8cef93f8b_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_019fdd4c-fce4-7b08-bfc2-a7a8cef93f8b" xlink:to="loc_srt_ConsolidationItemsDomain_019fdd4c-fce4-7b08-bfc2-a7a8cef93f8b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019fdd4c-fce4-76d4-b543-4170fc1d9a36" 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_019fdd4c-fce4-7b08-bfc2-a7a8cef93f8b" xlink:to="loc_srt_ConsolidationItemsDomain_019fdd4c-fce4-76d4-b543-4170fc1d9a36" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_019fdd4c-fce4-7d7c-95fe-5877fcca308e" 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_019fdd4c-fce4-76d4-b543-4170fc1d9a36" xlink:to="loc_us-gaap_OperatingSegmentsMember_019fdd4c-fce4-7d7c-95fe-5877fcca308e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_019fdd4c-fce4-7f61-bd50-b78711037e2d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_phm_SegmentInformationDepreciationAndAmortizationDetailsLineItems_019fdd4c-fce4-7b57-b0ef-e95395ccfa73" xlink:to="loc_us-gaap_DepreciationAndAmortization_019fdd4c-fce4-7f61-bd50-b78711037e2d" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pultegroupinc.com/role/SegmentInformationTotalAssetsAndInventoryByReportableSegmentDetails" xlink:type="simple" xlink:href="phm-20260930.xsd#SegmentInformationTotalAssetsAndInventoryByReportableSegmentDetails"/>
  <link:definitionLink xlink:role="http://www.pultegroupinc.com/role/SegmentInformationTotalAssetsAndInventoryByReportableSegmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019fdd4c-fce4-7b04-ae76-862b6952eea2" 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_019fdd4c-fce4-735a-bdb1-da2da67ddfe4" 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_019fdd4c-fce4-7b04-ae76-862b6952eea2" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fdd4c-fce4-735a-bdb1-da2da67ddfe4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_019fdd4c-fce4-7dc9-9b56-1587e3e25748" 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_019fdd4c-fce4-735a-bdb1-da2da67ddfe4" xlink:to="loc_srt_ConsolidationItemsAxis_019fdd4c-fce4-7dc9-9b56-1587e3e25748" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019fdd4c-fce4-7dc9-9b56-1587e3e25748_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_019fdd4c-fce4-7dc9-9b56-1587e3e25748" xlink:to="loc_srt_ConsolidationItemsDomain_019fdd4c-fce4-7dc9-9b56-1587e3e25748_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019fdd4c-fce4-7494-a727-7d4c02ebed33" 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_019fdd4c-fce4-7dc9-9b56-1587e3e25748" xlink:to="loc_srt_ConsolidationItemsDomain_019fdd4c-fce4-7494-a727-7d4c02ebed33" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_019fdd4c-fce4-7dfd-8d5a-1bf1646fae7b" 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_019fdd4c-fce4-7494-a727-7d4c02ebed33" xlink:to="loc_us-gaap_OperatingSegmentsMember_019fdd4c-fce4-7dfd-8d5a-1bf1646fae7b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019fdd4c-fce4-7bfe-ba77-f0fda19e5566" 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_019fdd4c-fce4-735a-bdb1-da2da67ddfe4" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019fdd4c-fce4-7bfe-ba77-f0fda19e5566" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7bfe-ba77-f0fda19e5566_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_019fdd4c-fce4-7bfe-ba77-f0fda19e5566" xlink:to="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7bfe-ba77-f0fda19e5566_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7ec4-a4f6-2f41d6ae322b" 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_019fdd4c-fce4-7bfe-ba77-f0fda19e5566" xlink:to="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7ec4-a4f6-2f41d6ae322b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_HomeBuildingSegmentMember_019fdd4c-fce4-7980-8ad9-dfba92121e90" xlink:href="phm-20260930.xsd#phm_HomeBuildingSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7ec4-a4f6-2f41d6ae322b" xlink:to="loc_phm_HomeBuildingSegmentMember_019fdd4c-fce4-7980-8ad9-dfba92121e90" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_FinancialServicesMember_019fdd4c-fce4-72d4-8857-c1a9b81783a0" xlink:href="phm-20260930.xsd#phm_FinancialServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fdd4c-fce4-7ec4-a4f6-2f41d6ae322b" xlink:to="loc_phm_FinancialServicesMember_019fdd4c-fce4-72d4-8857-c1a9b81783a0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsegmentsAxis_019fdd4c-fce4-7e89-8f54-9232af853d6b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fdd4c-fce4-735a-bdb1-da2da67ddfe4" xlink:to="loc_us-gaap_SubsegmentsAxis_019fdd4c-fce4-7e89-8f54-9232af853d6b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-7e89-8f54-9232af853d6b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsegmentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsegmentsAxis_019fdd4c-fce4-7e89-8f54-9232af853d6b" xlink:to="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-7e89-8f54-9232af853d6b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-7d0f-8659-36493a370fe9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsegmentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsegmentsAxis_019fdd4c-fce4-7e89-8f54-9232af853d6b" xlink:to="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-7d0f-8659-36493a370fe9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_NortheastMember_019fdd4c-fce4-74cc-9eb9-9432923d758c" xlink:href="phm-20260930.xsd#phm_NortheastMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-7d0f-8659-36493a370fe9" xlink:to="loc_phm_NortheastMember_019fdd4c-fce4-74cc-9eb9-9432923d758c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_SoutheastMember_019fdd4c-fce4-7459-9bfd-b5c88f27486b" xlink:href="phm-20260930.xsd#phm_SoutheastMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-7d0f-8659-36493a370fe9" xlink:to="loc_phm_SoutheastMember_019fdd4c-fce4-7459-9bfd-b5c88f27486b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_stpr_FL_019fdd4c-fce4-7541-af8b-88a9d6203d72" xlink:href="https://xbrl.sec.gov/stpr/2026/stpr-2026.xsd#stpr_FL"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-7d0f-8659-36493a370fe9" xlink:to="loc_stpr_FL_019fdd4c-fce4-7541-af8b-88a9d6203d72" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_MidwestMemberMember_019fdd4c-fce4-7ea2-9d05-4ae4168837d6" xlink:href="phm-20260930.xsd#phm_MidwestMemberMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-7d0f-8659-36493a370fe9" xlink:to="loc_phm_MidwestMemberMember_019fdd4c-fce4-7ea2-9d05-4ae4168837d6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_stpr_TX_019fdd4c-fce4-722a-87ff-2a3fc126f335" xlink:href="https://xbrl.sec.gov/stpr/2026/stpr-2026.xsd#stpr_TX"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-7d0f-8659-36493a370fe9" xlink:to="loc_stpr_TX_019fdd4c-fce4-722a-87ff-2a3fc126f335" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_WestMemberMember_019fdd4c-fce4-7522-b8a0-ae94a3aea0b9" xlink:href="phm-20260930.xsd#phm_WestMemberMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-7d0f-8659-36493a370fe9" xlink:to="loc_phm_WestMemberMember_019fdd4c-fce4-7522-b8a0-ae94a3aea0b9" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_OtherHomebuildingMember_019fdd4c-fce4-7fd7-be8b-e9a3e17d8789" xlink:href="phm-20260930.xsd#phm_OtherHomebuildingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_019fdd4c-fce4-7d0f-8659-36493a370fe9" xlink:to="loc_phm_OtherHomebuildingMember_019fdd4c-fce4-7fd7-be8b-e9a3e17d8789" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryOperativeBuilders_019fdd4c-fce4-765b-b084-ea2a24ae9e37" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryOperativeBuilders"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fdd4c-fce4-7b04-ae76-862b6952eea2" xlink:to="loc_us-gaap_InventoryOperativeBuilders_019fdd4c-fce4-765b-b084-ea2a24ae9e37" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019fdd4c-fce4-7c4f-873d-55aef5fb2b88" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fdd4c-fce4-7b04-ae76-862b6952eea2" xlink:to="loc_us-gaap_Assets_019fdd4c-fce4-7c4f-873d-55aef5fb2b88" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_019fdd4c-fce4-7590-8205-3a59d76e77e2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GoodwillImpairedAccumulatedImpairmentLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fdd4c-fce4-7b04-ae76-862b6952eea2" xlink:to="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_019fdd4c-fce4-7590-8205-3a59d76e77e2" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pultegroupinc.com/role/DebtSummaryofSeniorNotesDetails" xlink:type="simple" xlink:href="phm-20260930.xsd#DebtSummaryofSeniorNotesDetails"/>
  <link:definitionLink xlink:role="http://www.pultegroupinc.com/role/DebtSummaryofSeniorNotesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019fdd4c-fce4-78a1-964c-003bd8a73a23" 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_019fdd4c-fce4-7abe-9a35-a2e33dce4ed4" 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_019fdd4c-fce4-78a1-964c-003bd8a73a23" xlink:to="loc_us-gaap_DebtInstrumentTable_019fdd4c-fce4-7abe-9a35-a2e33dce4ed4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019fdd4c-fce4-7af4-b477-20e386cf2be3" 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_019fdd4c-fce4-7abe-9a35-a2e33dce4ed4" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019fdd4c-fce4-7af4-b477-20e386cf2be3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fdd4c-fce4-7af4-b477-20e386cf2be3_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_019fdd4c-fce4-7af4-b477-20e386cf2be3" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fdd4c-fce4-7af4-b477-20e386cf2be3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fdd4c-fce4-7a6c-be14-b4019f97802c" 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_019fdd4c-fce4-7af4-b477-20e386cf2be3" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fdd4c-fce4-7a6c-be14-b4019f97802c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_019fdd4c-fce4-7abc-922b-2b2e6197fcb4" 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_019fdd4c-fce4-7a6c-be14-b4019f97802c" xlink:to="loc_us-gaap_SeniorNotesMember_019fdd4c-fce4-7abc-922b-2b2e6197fcb4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019fdd4c-fce4-717b-9096-b8ced8f12966" 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_019fdd4c-fce4-7abe-9a35-a2e33dce4ed4" xlink:to="loc_us-gaap_DebtInstrumentAxis_019fdd4c-fce4-717b-9096-b8ced8f12966" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fdd4c-fce4-717b-9096-b8ced8f12966_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_019fdd4c-fce4-717b-9096-b8ced8f12966" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fdd4c-fce4-717b-9096-b8ced8f12966_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fdd4c-fce4-7723-b8e6-076241592560" 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_019fdd4c-fce4-717b-9096-b8ced8f12966" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fdd4c-fce4-7723-b8e6-076241592560" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_A5.500unsecuredseniornotesdueMarch2026Member_019fdd4c-fce4-7d25-a713-e9c4b21160c1" xlink:href="phm-20260930.xsd#phm_A5.500unsecuredseniornotesdueMarch2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fdd4c-fce4-7723-b8e6-076241592560" xlink:to="loc_phm_A5.500unsecuredseniornotesdueMarch2026Member_019fdd4c-fce4-7d25-a713-e9c4b21160c1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_SeniorUnsecuredTermLoanMaturingJanuary32027Member_019fdd4c-fce4-745e-90fd-254ea9b6c570" xlink:href="phm-20260930.xsd#phm_SeniorUnsecuredTermLoanMaturingJanuary32027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fdd4c-fce4-7723-b8e6-076241592560" xlink:to="loc_phm_SeniorUnsecuredTermLoanMaturingJanuary32027Member_019fdd4c-fce4-745e-90fd-254ea9b6c570" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_A4.250UnsecuredSeniorNotesDueMarch2031Member_019fdd4c-fce4-7cb2-89d1-26db207fa233" xlink:href="phm-20260930.xsd#phm_A4.250UnsecuredSeniorNotesDueMarch2031Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fdd4c-fce4-7723-b8e6-076241592560" xlink:to="loc_phm_A4.250UnsecuredSeniorNotesDueMarch2031Member_019fdd4c-fce4-7cb2-89d1-26db207fa233" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_UnsecuredSeniorNotes7875DueJune2032Member_019fdd4c-fce4-7b4d-aa7c-c9d6b2b30260" xlink:href="phm-20260930.xsd#phm_UnsecuredSeniorNotes7875DueJune2032Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fdd4c-fce4-7723-b8e6-076241592560" xlink:to="loc_phm_UnsecuredSeniorNotes7875DueJune2032Member_019fdd4c-fce4-7b4d-aa7c-c9d6b2b30260" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_UnsecuredSeniorNotes6375DueMay2033Member_019fdd4c-fce4-7aa8-91f4-9146188b37d2" xlink:href="phm-20260930.xsd#phm_UnsecuredSeniorNotes6375DueMay2033Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fdd4c-fce4-7723-b8e6-076241592560" xlink:to="loc_phm_UnsecuredSeniorNotes6375DueMay2033Member_019fdd4c-fce4-7aa8-91f4-9146188b37d2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_UnsecuredSeniorNotes600DueFebruary2035Member_019fdd4c-fce4-7a3a-b403-c441df75601d" xlink:href="phm-20260930.xsd#phm_UnsecuredSeniorNotes600DueFebruary2035Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fdd4c-fce4-7723-b8e6-076241592560" xlink:to="loc_phm_UnsecuredSeniorNotes600DueFebruary2035Member_019fdd4c-fce4-7a3a-b403-c441df75601d" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_A4.900UnsecuredSeniorNotesDueMarch2036Member_019fdd4c-fce4-7420-8168-dec058b001e9" xlink:href="phm-20260930.xsd#phm_A4.900UnsecuredSeniorNotesDueMarch2036Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fdd4c-fce4-7723-b8e6-076241592560" xlink:to="loc_phm_A4.900UnsecuredSeniorNotesDueMarch2036Member_019fdd4c-fce4-7420-8168-dec058b001e9" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fdd4c-fce4-785b-a365-f0f881ce12d6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fdd4c-fce4-78a1-964c-003bd8a73a23" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fdd4c-fce4-785b-a365-f0f881ce12d6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_019fdd4c-fce4-7c6e-aabc-29a4574095f2" 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_DebtInstrumentLineItems_019fdd4c-fce4-78a1-964c-003bd8a73a23" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_019fdd4c-fce4-7c6e-aabc-29a4574095f2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_019fdd4c-fce4-7c5b-90c2-84b3725907f0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fdd4c-fce4-78a1-964c-003bd8a73a23" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_019fdd4c-fce4-7c5b-90c2-84b3725907f0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotes_019fdd4c-fce4-7325-a433-e13e478b80f1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeniorNotes"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fdd4c-fce4-78a1-964c-003bd8a73a23" xlink:to="loc_us-gaap_SeniorNotes_019fdd4c-fce4-7325-a433-e13e478b80f1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNotesPayable_019fdd4c-fce4-7720-bfe0-5c6cd207c46a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNotesPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fdd4c-fce4-78a1-964c-003bd8a73a23" xlink:to="loc_us-gaap_OtherNotesPayable_019fdd4c-fce4-7720-bfe0-5c6cd207c46a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayable_019fdd4c-fce4-7dee-8987-e5ecc68a8914" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NotesPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fdd4c-fce4-78a1-964c-003bd8a73a23" xlink:to="loc_us-gaap_NotesPayable_019fdd4c-fce4-7dee-8987-e5ecc68a8914" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableFairValueDisclosure_019fdd4c-fce4-7cd2-9451-529aaa49db2c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NotesPayableFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fdd4c-fce4-78a1-964c-003bd8a73a23" xlink:to="loc_us-gaap_NotesPayableFairValueDisclosure_019fdd4c-fce4-7cd2-9451-529aaa49db2c" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pultegroupinc.com/role/DebtNarrativeDetails" xlink:type="simple" xlink:href="phm-20260930.xsd#DebtNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.pultegroupinc.com/role/DebtNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019fdd4c-fce5-749f-a918-0f538578cb0f" 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_019fdd4c-fce4-781f-950a-bbf8d742301c" 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_019fdd4c-fce5-749f-a918-0f538578cb0f" xlink:to="loc_us-gaap_DebtInstrumentTable_019fdd4c-fce4-781f-950a-bbf8d742301c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019fdd4c-fce4-777f-bd6c-a6eec6d724f8" 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_DebtInstrumentTable_019fdd4c-fce4-781f-950a-bbf8d742301c" xlink:to="loc_srt_RangeAxis_019fdd4c-fce4-777f-bd6c-a6eec6d724f8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fdd4c-fce4-777f-bd6c-a6eec6d724f8_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_019fdd4c-fce4-777f-bd6c-a6eec6d724f8" xlink:to="loc_srt_RangeMember_019fdd4c-fce4-777f-bd6c-a6eec6d724f8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fdd4c-fce4-7b38-ba7a-482d0888b649" 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_019fdd4c-fce4-777f-bd6c-a6eec6d724f8" xlink:to="loc_srt_RangeMember_019fdd4c-fce4-7b38-ba7a-482d0888b649" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019fdd4c-fce4-706c-9421-8d904e2822f5" 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_019fdd4c-fce4-7b38-ba7a-482d0888b649" xlink:to="loc_srt_MaximumMember_019fdd4c-fce4-706c-9421-8d904e2822f5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeAxis_019fdd4c-fce4-7d1c-bada-18272853161f" 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_DebtInstrumentTable_019fdd4c-fce4-781f-950a-bbf8d742301c" xlink:to="loc_us-gaap_ShortTermDebtTypeAxis_019fdd4c-fce4-7d1c-bada-18272853161f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_019fdd4c-fce4-7d1c-bada-18272853161f_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_019fdd4c-fce4-7d1c-bada-18272853161f" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_019fdd4c-fce4-7d1c-bada-18272853161f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_019fdd4c-fce5-750e-bd31-3a8b97e80489" 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_019fdd4c-fce4-7d1c-bada-18272853161f" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_019fdd4c-fce5-750e-bd31-3a8b97e80489" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_019fdd4c-fce5-76a2-90b2-b71ade1cc9f5" 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_ShortTermDebtTypeDomain_019fdd4c-fce5-750e-bd31-3a8b97e80489" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_019fdd4c-fce5-76a2-90b2-b71ade1cc9f5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_019fdd4c-fce5-7940-8ab9-bc26f396707c" 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_ShortTermDebtTypeDomain_019fdd4c-fce5-750e-bd31-3a8b97e80489" xlink:to="loc_us-gaap_LineOfCreditMember_019fdd4c-fce5-7940-8ab9-bc26f396707c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019fdd4c-fce5-7ef2-8609-3e9e46c1b53a" 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_DebtInstrumentTable_019fdd4c-fce4-781f-950a-bbf8d742301c" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019fdd4c-fce5-7ef2-8609-3e9e46c1b53a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fdd4c-fce5-7ef2-8609-3e9e46c1b53a_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_019fdd4c-fce5-7ef2-8609-3e9e46c1b53a" xlink:to="loc_us-gaap_SegmentDomain_019fdd4c-fce5-7ef2-8609-3e9e46c1b53a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fdd4c-fce5-7182-aa17-c4ef2e814cde" 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_019fdd4c-fce5-7ef2-8609-3e9e46c1b53a" xlink:to="loc_us-gaap_SegmentDomain_019fdd4c-fce5-7182-aa17-c4ef2e814cde" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_FinancialServicesMember_019fdd4c-fce5-7385-91ef-d05f1f07ec9e" xlink:href="phm-20260930.xsd#phm_FinancialServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fdd4c-fce5-7182-aa17-c4ef2e814cde" xlink:to="loc_phm_FinancialServicesMember_019fdd4c-fce5-7385-91ef-d05f1f07ec9e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019fdd4c-fce5-76a1-bbfd-dc383843ff0a" 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_019fdd4c-fce4-781f-950a-bbf8d742301c" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019fdd4c-fce5-76a1-bbfd-dc383843ff0a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fdd4c-fce5-76a1-bbfd-dc383843ff0a_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_019fdd4c-fce5-76a1-bbfd-dc383843ff0a" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fdd4c-fce5-76a1-bbfd-dc383843ff0a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fdd4c-fce5-79f4-91d4-c3e9ad677862" 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_019fdd4c-fce5-76a1-bbfd-dc383843ff0a" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fdd4c-fce5-79f4-91d4-c3e9ad677862" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableOtherPayablesMember_019fdd4c-fce5-78f7-9afa-56cf6c08b585" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NotesPayableOtherPayablesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fdd4c-fce5-79f4-91d4-c3e9ad677862" xlink:to="loc_us-gaap_NotesPayableOtherPayablesMember_019fdd4c-fce5-78f7-9afa-56cf6c08b585" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_019fdd4c-fce5-71c9-b43f-007ac4ee12b2" 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_019fdd4c-fce5-79f4-91d4-c3e9ad677862" xlink:to="loc_us-gaap_SeniorNotesMember_019fdd4c-fce5-71c9-b43f-007ac4ee12b2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_019fdd4c-fce5-76cd-8c40-df1d368f67ba" 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_019fdd4c-fce5-79f4-91d4-c3e9ad677862" xlink:to="loc_us-gaap_LineOfCreditMember_019fdd4c-fce5-76cd-8c40-df1d368f67ba" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionAxis_019fdd4c-fce5-778d-809f-a4310f13d5be" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fdd4c-fce4-781f-950a-bbf8d742301c" xlink:to="loc_us-gaap_RelatedPartyTransactionAxis_019fdd4c-fce5-778d-809f-a4310f13d5be" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain_019fdd4c-fce5-778d-809f-a4310f13d5be_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionAxis_019fdd4c-fce5-778d-809f-a4310f13d5be" xlink:to="loc_us-gaap_RelatedPartyTransactionDomain_019fdd4c-fce5-778d-809f-a4310f13d5be_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain_019fdd4c-fce5-7d75-afc9-ce05812f336f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionAxis_019fdd4c-fce5-778d-809f-a4310f13d5be" xlink:to="loc_us-gaap_RelatedPartyTransactionDomain_019fdd4c-fce5-7d75-afc9-ce05812f336f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_JointVentureDebtMember_019fdd4c-fce5-7315-a7f0-0ee4b866e548" xlink:href="phm-20260930.xsd#phm_JointVentureDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_019fdd4c-fce5-7d75-afc9-ce05812f336f" xlink:to="loc_phm_JointVentureDebtMember_019fdd4c-fce5-7315-a7f0-0ee4b866e548" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fdd4c-fce5-77df-8eb9-b91910b9a6f2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fdd4c-fce4-781f-950a-bbf8d742301c" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fdd4c-fce5-77df-8eb9-b91910b9a6f2" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_019fdd4c-fce5-77df-8eb9-b91910b9a6f2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fdd4c-fce5-77df-8eb9-b91910b9a6f2" xlink:to="loc_us-gaap_RelatedPartyDomain_019fdd4c-fce5-77df-8eb9-b91910b9a6f2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_019fdd4c-fce5-7574-b618-f8725b0243d8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fdd4c-fce5-77df-8eb9-b91910b9a6f2" xlink:to="loc_us-gaap_RelatedPartyDomain_019fdd4c-fce5-7574-b618-f8725b0243d8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateJointVentureMember_019fdd4c-fce5-7039-8696-878fe62109e0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CorporateJointVentureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_019fdd4c-fce5-7574-b618-f8725b0243d8" xlink:to="loc_us-gaap_CorporateJointVentureMember_019fdd4c-fce5-7039-8696-878fe62109e0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019fdd4c-fce5-7b9d-b76c-f3f1a0ee247d" 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_019fdd4c-fce4-781f-950a-bbf8d742301c" xlink:to="loc_us-gaap_DebtInstrumentAxis_019fdd4c-fce5-7b9d-b76c-f3f1a0ee247d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fdd4c-fce5-7b9d-b76c-f3f1a0ee247d_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_019fdd4c-fce5-7b9d-b76c-f3f1a0ee247d" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fdd4c-fce5-7b9d-b76c-f3f1a0ee247d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fdd4c-fce5-7c7d-bb23-3216d1ea5748" 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_019fdd4c-fce5-7b9d-b76c-f3f1a0ee247d" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fdd4c-fce5-7c7d-bb23-3216d1ea5748" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_A5.500unsecuredseniornotesdueMarch2026Member_019fdd4c-fce5-7637-a624-76156425fb44" xlink:href="phm-20260930.xsd#phm_A5.500unsecuredseniornotesdueMarch2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fdd4c-fce5-7c7d-bb23-3216d1ea5748" xlink:to="loc_phm_A5.500unsecuredseniornotesdueMarch2026Member_019fdd4c-fce5-7637-a624-76156425fb44" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_A4.250UnsecuredSeniorNotesDueMarch2031Member_019fdd4c-fce5-7705-b6c5-c0378ee124b8" xlink:href="phm-20260930.xsd#phm_A4.250UnsecuredSeniorNotesDueMarch2031Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fdd4c-fce5-7c7d-bb23-3216d1ea5748" xlink:to="loc_phm_A4.250UnsecuredSeniorNotesDueMarch2031Member_019fdd4c-fce5-7705-b6c5-c0378ee124b8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_A4.900UnsecuredSeniorNotesDueMarch2036Member_019fdd4c-fce5-73d7-9c05-1dda4a2c9842" xlink:href="phm-20260930.xsd#phm_A4.900UnsecuredSeniorNotesDueMarch2036Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fdd4c-fce5-7c7d-bb23-3216d1ea5748" xlink:to="loc_phm_A4.900UnsecuredSeniorNotesDueMarch2036Member_019fdd4c-fce5-73d7-9c05-1dda4a2c9842" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_SeniorUnsecuredTermLoanMaturingJanuary32027Member_019fdd4c-fce5-7b9e-89b4-9558ce28e45e" xlink:href="phm-20260930.xsd#phm_SeniorUnsecuredTermLoanMaturingJanuary32027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fdd4c-fce5-7c7d-bb23-3216d1ea5748" xlink:to="loc_phm_SeniorUnsecuredTermLoanMaturingJanuary32027Member_019fdd4c-fce5-7b9e-89b4-9558ce28e45e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_019fdd4c-fce5-7ab1-a9df-0ba9d9fdd02b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fdd4c-fce4-781f-950a-bbf8d742301c" xlink:to="loc_us-gaap_CreditFacilityAxis_019fdd4c-fce5-7ab1-a9df-0ba9d9fdd02b" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019fdd4c-fce5-7ab1-a9df-0ba9d9fdd02b_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_019fdd4c-fce5-7ab1-a9df-0ba9d9fdd02b" xlink:to="loc_us-gaap_CreditFacilityDomain_019fdd4c-fce5-7ab1-a9df-0ba9d9fdd02b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019fdd4c-fce5-7a9d-8ed7-362000dba198" 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_019fdd4c-fce5-7ab1-a9df-0ba9d9fdd02b" xlink:to="loc_us-gaap_CreditFacilityDomain_019fdd4c-fce5-7a9d-8ed7-362000dba198" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_019fdd4c-fce5-716a-a4d6-17680c98a3bc" 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_019fdd4c-fce5-7a9d-8ed7-362000dba198" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_019fdd4c-fce5-716a-a4d6-17680c98a3bc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_019fdd4c-fce5-7bce-b881-4cdd97b47c11" 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_DebtInstrumentLineItems_019fdd4c-fce5-749f-a918-0f538578cb0f" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_019fdd4c-fce5-7bce-b881-4cdd97b47c11" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fdd4c-fce5-7869-b6a3-94b269cd7d8d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fdd4c-fce5-749f-a918-0f538578cb0f" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fdd4c-fce5-7869-b6a3-94b269cd7d8d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfSeniorDebt_019fdd4c-fce5-7778-8d09-f2d9c520740f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RepaymentsOfSeniorDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fdd4c-fce5-749f-a918-0f538578cb0f" xlink:to="loc_us-gaap_RepaymentsOfSeniorDebt_019fdd4c-fce5-7778-8d09-f2d9c520740f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarlyRepaymentOfSeniorDebt_019fdd4c-fce5-759a-9800-ec60a8aca75b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarlyRepaymentOfSeniorDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fdd4c-fce5-749f-a918-0f538578cb0f" xlink:to="loc_us-gaap_EarlyRepaymentOfSeniorDebt_019fdd4c-fce5-759a-9800-ec60a8aca75b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNotesPayable_019fdd4c-fce5-722c-baae-4480c4238231" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNotesPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fdd4c-fce5-749f-a918-0f538578cb0f" xlink:to="loc_us-gaap_OtherNotesPayable_019fdd4c-fce5-722c-baae-4480c4238231" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTerm_019fdd4c-fce5-78bd-bb3a-688063357c39" 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_DebtInstrumentLineItems_019fdd4c-fce5-749f-a918-0f538578cb0f" xlink:to="loc_us-gaap_DebtInstrumentTerm_019fdd4c-fce5-78bd-bb3a-688063357c39" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_NotesPayableIssuedToAcquireLand_019fdd4c-fce5-77eb-bc64-96327451290d" xlink:href="phm-20260930.xsd#phm_NotesPayableIssuedToAcquireLand"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fdd4c-fce5-749f-a918-0f538578cb0f" xlink:to="loc_phm_NotesPayableIssuedToAcquireLand_019fdd4c-fce5-77eb-bc64-96327451290d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019fdd4c-fce5-7767-bbe0-874ccda3f1f2" 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_DebtInstrumentLineItems_019fdd4c-fce5-749f-a918-0f538578cb0f" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019fdd4c-fce5-7767-bbe0-874ccda3f1f2" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCredit_019fdd4c-fce5-7ac5-b76b-b3c662394fa5" 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_DebtInstrumentLineItems_019fdd4c-fce5-749f-a918-0f538578cb0f" xlink:to="loc_us-gaap_LineOfCredit_019fdd4c-fce5-7ac5-b76b-b3c662394fa5" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_019fdd4c-fce5-7b97-b755-aabf22476a60" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LettersOfCreditOutstandingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fdd4c-fce5-749f-a918-0f538578cb0f" xlink:to="loc_us-gaap_LettersOfCreditOutstandingAmount_019fdd4c-fce5-7b97-b755-aabf22476a60" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_LineOfCreditFacilityPotentialMaximumBorrowingCapacity_019fdd4c-fce5-78e0-8025-b0d9a058e320" xlink:href="phm-20260930.xsd#phm_LineOfCreditFacilityPotentialMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fdd4c-fce5-749f-a918-0f538578cb0f" xlink:to="loc_phm_LineOfCreditFacilityPotentialMaximumBorrowingCapacity_019fdd4c-fce5-78e0-8025-b0d9a058e320" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_019fdd4c-fce5-7a7e-87e1-daf051cc777c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fdd4c-fce5-749f-a918-0f538578cb0f" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_019fdd4c-fce5-7a7e-87e1-daf051cc777c" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019fdd4c-fce5-7811-a461-54e686bbb72c" 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_019fdd4c-fce5-749f-a918-0f538578cb0f" xlink:to="loc_us-gaap_LongTermDebt_019fdd4c-fce5-7811-a461-54e686bbb72c" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_LineofCreditFacilityAccordionFeatureIncreaseLimit_019fdd4c-fce5-7da6-bd15-a20d340ab949" xlink:href="phm-20260930.xsd#phm_LineofCreditFacilityAccordionFeatureIncreaseLimit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fdd4c-fce5-749f-a918-0f538578cb0f" xlink:to="loc_phm_LineofCreditFacilityAccordionFeatureIncreaseLimit_019fdd4c-fce5-7da6-bd15-a20d340ab949" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_FinancialServicesDebt_019fdd4c-fce5-772f-bba5-c9fe6def9352" xlink:href="phm-20260930.xsd#phm_FinancialServicesDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fdd4c-fce5-749f-a918-0f538578cb0f" xlink:to="loc_phm_FinancialServicesDebt_019fdd4c-fce5-772f-bba5-c9fe6def9352" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtWeightedAverageInterestRate_019fdd4c-fce5-754a-9ea2-ad2dc48216ec" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShortTermDebtWeightedAverageInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fdd4c-fce5-749f-a918-0f538578cb0f" xlink:to="loc_us-gaap_ShortTermDebtWeightedAverageInterestRate_019fdd4c-fce5-754a-9ea2-ad2dc48216ec" xlink:type="arc" order="15"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pultegroupinc.com/role/ShareholdersEquityDetails" xlink:type="simple" xlink:href="phm-20260930.xsd#ShareholdersEquityDetails"/>
  <link:definitionLink xlink:role="http://www.pultegroupinc.com/role/ShareholdersEquityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_019fdd4c-fce5-7dd7-9756-71ad7ab31c1f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_019fdd4c-fce5-767a-a889-26a761803c38" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fdd4c-fce5-7dd7-9756-71ad7ab31c1f" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_019fdd4c-fce5-767a-a889-26a761803c38" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ShareRepurchaseProgramAxis_019fdd4c-fce5-75de-a55b-202095453144" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ShareRepurchaseProgramAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_019fdd4c-fce5-767a-a889-26a761803c38" xlink:to="loc_srt_ShareRepurchaseProgramAxis_019fdd4c-fce5-75de-a55b-202095453144" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ShareRepurchaseProgramDomain_019fdd4c-fce5-75de-a55b-202095453144_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ShareRepurchaseProgramDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ShareRepurchaseProgramAxis_019fdd4c-fce5-75de-a55b-202095453144" xlink:to="loc_srt_ShareRepurchaseProgramDomain_019fdd4c-fce5-75de-a55b-202095453144_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ShareRepurchaseProgramDomain_019fdd4c-fce5-72c8-87d0-5f89bd54b0db" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ShareRepurchaseProgramDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ShareRepurchaseProgramAxis_019fdd4c-fce5-75de-a55b-202095453144" xlink:to="loc_srt_ShareRepurchaseProgramDomain_019fdd4c-fce5-72c8-87d0-5f89bd54b0db" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_SharerepurchaseplanMember_019fdd4c-fce5-78ed-8530-4249f41e71d9" xlink:href="phm-20260930.xsd#phm_SharerepurchaseplanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ShareRepurchaseProgramDomain_019fdd4c-fce5-72c8-87d0-5f89bd54b0db" xlink:to="loc_phm_SharerepurchaseplanMember_019fdd4c-fce5-78ed-8530-4249f41e71d9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_ShareswithheldtopaytaxesMember_019fdd4c-fce5-7313-8493-6345657b08bf" xlink:href="phm-20260930.xsd#phm_ShareswithheldtopaytaxesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ShareRepurchaseProgramDomain_019fdd4c-fce5-72c8-87d0-5f89bd54b0db" xlink:to="loc_phm_ShareswithheldtopaytaxesMember_019fdd4c-fce5-7313-8493-6345657b08bf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Dividends_019fdd4c-fce5-7b81-826f-fc8cd7223577" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Dividends"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fdd4c-fce5-7dd7-9756-71ad7ab31c1f" xlink:to="loc_us-gaap_Dividends_019fdd4c-fce5-7b81-826f-fc8cd7223577" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_019fdd4c-fce5-7ed1-87a8-604db52889af" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fdd4c-fce5-7dd7-9756-71ad7ab31c1f" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_019fdd4c-fce5-7ed1-87a8-604db52889af" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019fdd4c-fce5-7a02-b4eb-a5395fdec82f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fdd4c-fce5-7dd7-9756-71ad7ab31c1f" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019fdd4c-fce5-7a02-b4eb-a5395fdec82f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_ShareRepurchaseProgramIncreaseInAuthorizedAmount_019fdd4c-fce5-7286-95c4-dd038aeecee7" xlink:href="phm-20260930.xsd#phm_ShareRepurchaseProgramIncreaseInAuthorizedAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fdd4c-fce5-7dd7-9756-71ad7ab31c1f" xlink:to="loc_phm_ShareRepurchaseProgramIncreaseInAuthorizedAmount_019fdd4c-fce5-7286-95c4-dd038aeecee7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_019fdd4c-fce5-7279-81f8-d4fde06b2497" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fdd4c-fce5-7dd7-9756-71ad7ab31c1f" xlink:to="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_019fdd4c-fce5-7279-81f8-d4fde06b2497" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pultegroupinc.com/role/FairValueDisclosuresSummaryofAssetsAndLiabilitiesDetails" xlink:type="simple" xlink:href="phm-20260930.xsd#FairValueDisclosuresSummaryofAssetsAndLiabilitiesDetails"/>
  <link:definitionLink xlink:role="http://www.pultegroupinc.com/role/FairValueDisclosuresSummaryofAssetsAndLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fdd4c-fce5-7dbf-b786-f96f7a6ad4a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fdd4c-fce5-7c0b-90fd-eb5ea9740ac9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fdd4c-fce5-7dbf-b786-f96f7a6ad4a2" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fdd4c-fce5-7c0b-90fd-eb5ea9740ac9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_019fdd4c-fce5-7a52-8467-3e7e6b77fed8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fdd4c-fce5-7c0b-90fd-eb5ea9740ac9" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_019fdd4c-fce5-7a52-8467-3e7e6b77fed8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_019fdd4c-fce5-7a52-8467-3e7e6b77fed8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_019fdd4c-fce5-7a52-8467-3e7e6b77fed8" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_019fdd4c-fce5-7a52-8467-3e7e6b77fed8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_019fdd4c-fce5-74a5-b396-71c496cb6d70" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_019fdd4c-fce5-7a52-8467-3e7e6b77fed8" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_019fdd4c-fce5-74a5-b396-71c496cb6d70" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_019fdd4c-fce5-73f8-827f-632e0e4424be" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_019fdd4c-fce5-74a5-b396-71c496cb6d70" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_019fdd4c-fce5-73f8-827f-632e0e4424be" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsNonrecurringMember_019fdd4c-fce5-7ea1-8929-1d8a3b109b7e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsNonrecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_019fdd4c-fce5-74a5-b396-71c496cb6d70" xlink:to="loc_us-gaap_FairValueMeasurementsNonrecurringMember_019fdd4c-fce5-7ea1-8929-1d8a3b109b7e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_019fdd4c-fce5-72ba-9976-8b0ade4cb6e2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fdd4c-fce5-7c0b-90fd-eb5ea9740ac9" xlink:to="loc_us-gaap_FinancialInstrumentAxis_019fdd4c-fce5-72ba-9976-8b0ade4cb6e2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019fdd4c-fce5-72ba-9976-8b0ade4cb6e2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019fdd4c-fce5-72ba-9976-8b0ade4cb6e2" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019fdd4c-fce5-72ba-9976-8b0ade4cb6e2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019fdd4c-fce5-7307-a773-13832eb3ca62" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019fdd4c-fce5-72ba-9976-8b0ade4cb6e2" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019fdd4c-fce5-7307-a773-13832eb3ca62" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResidentialMortgageMember_019fdd4c-fce5-7ccf-a1e4-4d36e3229f68" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ResidentialMortgageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019fdd4c-fce5-7307-a773-13832eb3ca62" xlink:to="loc_us-gaap_ResidentialMortgageMember_019fdd4c-fce5-7ccf-a1e4-4d36e3229f68" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateLockCommitmentsMember_019fdd4c-fce5-7330-b32e-e8710a745afd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestRateLockCommitmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019fdd4c-fce5-7307-a773-13832eb3ca62" xlink:to="loc_us-gaap_InterestRateLockCommitmentsMember_019fdd4c-fce5-7330-b32e-e8710a745afd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractsMember_019fdd4c-fce5-7fc5-8884-96e42370be20" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForwardContractsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019fdd4c-fce5-7307-a773-13832eb3ca62" xlink:to="loc_us-gaap_ForwardContractsMember_019fdd4c-fce5-7fc5-8884-96e42370be20" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoanPurchaseCommitmentsMember_019fdd4c-fce5-7317-83b3-8fc9b04f6083" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LoanPurchaseCommitmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019fdd4c-fce5-7307-a773-13832eb3ca62" xlink:to="loc_us-gaap_LoanPurchaseCommitmentsMember_019fdd4c-fce5-7317-83b3-8fc9b04f6083" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fdd4c-fce5-7f03-a589-6e63a5721a4a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fdd4c-fce5-7c0b-90fd-eb5ea9740ac9" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fdd4c-fce5-7f03-a589-6e63a5721a4a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fdd4c-fce5-7f03-a589-6e63a5721a4a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fdd4c-fce5-7f03-a589-6e63a5721a4a" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fdd4c-fce5-7f03-a589-6e63a5721a4a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fdd4c-fce5-7263-8faa-af07006b9211" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fdd4c-fce5-7f03-a589-6e63a5721a4a" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fdd4c-fce5-7263-8faa-af07006b9211" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_019fdd4c-fce5-78a0-a445-e4519029f759" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fdd4c-fce5-7263-8faa-af07006b9211" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_019fdd4c-fce5-78a0-a445-e4519029f759" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_019fdd4c-fce5-7a10-9678-5388c1f2c34b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fdd4c-fce5-7263-8faa-af07006b9211" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_019fdd4c-fce5-7a10-9678-5388c1f2c34b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_019fdd4c-fce5-76d9-8ae8-c0a32c258d27" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fdd4c-fce5-7263-8faa-af07006b9211" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_019fdd4c-fce5-76d9-8ae8-c0a32c258d27" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_019fdd4c-fce5-709a-b61d-318f6f8cd094" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByAssetClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fdd4c-fce5-7c0b-90fd-eb5ea9740ac9" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_019fdd4c-fce5-709a-b61d-318f6f8cd094" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019fdd4c-fce5-709a-b61d-318f6f8cd094_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_019fdd4c-fce5-709a-b61d-318f6f8cd094" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019fdd4c-fce5-709a-b61d-318f6f8cd094_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019fdd4c-fce5-7ec1-831a-2dbaf6adfae5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_019fdd4c-fce5-709a-b61d-318f6f8cd094" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019fdd4c-fce5-7ec1-831a-2dbaf6adfae5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandMember_019fdd4c-fce5-713d-9862-bee64e8a413a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LandMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019fdd4c-fce5-7ec1-831a-2dbaf6adfae5" xlink:to="loc_us-gaap_LandMember_019fdd4c-fce5-713d-9862-bee64e8a413a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_019fdd4c-fce5-7a2f-88a3-9497da67fbc5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fdd4c-fce5-7dbf-b786-f96f7a6ad4a2" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_019fdd4c-fce5-7a2f-88a3-9497da67fbc5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_019fdd4c-fce5-7b56-9173-c0482671b86b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_019fdd4c-fce5-7a2f-88a3-9497da67fbc5" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_019fdd4c-fce5-7b56-9173-c0482671b86b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_019fdd4c-fce5-7d52-835b-ce871ca0b8e1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_019fdd4c-fce5-7a2f-88a3-9497da67fbc5" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosure_019fdd4c-fce5-7d52-835b-ce871ca0b8e1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_FairValueDisclosureAbstract_019fdd4c-fce5-759a-8afe-fa6b7b217d8c" xlink:href="phm-20260930.xsd#phm_FairValueDisclosureAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fdd4c-fce5-7dbf-b786-f96f7a6ad4a2" xlink:to="loc_phm_FairValueDisclosureAbstract_019fdd4c-fce5-759a-8afe-fa6b7b217d8c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_019fdd4c-fce5-794c-9526-11617db0635a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_phm_FairValueDisclosureAbstract_019fdd4c-fce5-759a-8afe-fa6b7b217d8c" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_019fdd4c-fce5-794c-9526-11617db0635a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_phm_FinancialServicesDebt_019fdd4c-fce5-78ca-820d-52944de9f2a7" xlink:href="phm-20260930.xsd#phm_FinancialServicesDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_phm_FairValueDisclosureAbstract_019fdd4c-fce5-759a-8afe-fa6b7b217d8c" xlink:to="loc_phm_FinancialServicesDebt_019fdd4c-fce5-78ca-820d-52944de9f2a7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFairValue_019fdd4c-fce5-7c77-bef6-0cc82a7375fa" 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_phm_FairValueDisclosureAbstract_019fdd4c-fce5-759a-8afe-fa6b7b217d8c" xlink:to="loc_us-gaap_DebtInstrumentFairValue_019fdd4c-fce5-7c77-bef6-0cc82a7375fa" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNotesPayable_019fdd4c-fce5-76bb-81b4-0b61119175ce" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNotesPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_phm_FairValueDisclosureAbstract_019fdd4c-fce5-759a-8afe-fa6b7b217d8c" xlink:to="loc_us-gaap_OtherNotesPayable_019fdd4c-fce5-76bb-81b4-0b61119175ce" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pultegroupinc.com/role/FairValueDisclosuresNarrativeDetails" xlink:type="simple" xlink:href="phm-20260930.xsd#FairValueDisclosuresNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.pultegroupinc.com/role/FairValueDisclosuresNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fdd4c-fce5-73cf-b66d-f91ff60b2f9d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fdd4c-fce5-7134-8c87-988401fa6dcd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fdd4c-fce5-73cf-b66d-f91ff60b2f9d" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fdd4c-fce5-7134-8c87-988401fa6dcd" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_019fdd4c-fce5-7a4b-b15c-c6565266f35e" 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_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fdd4c-fce5-7134-8c87-988401fa6dcd" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_019fdd4c-fce5-7a4b-b15c-c6565266f35e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019fdd4c-fce5-7a4b-b15c-c6565266f35e_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_019fdd4c-fce5-7a4b-b15c-c6565266f35e" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019fdd4c-fce5-7a4b-b15c-c6565266f35e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_019fdd4c-fce5-790e-8af0-e2f174c59c0d" 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_019fdd4c-fce5-7a4b-b15c-c6565266f35e" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_019fdd4c-fce5-790e-8af0-e2f174c59c0d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019fdd4c-fce5-70b3-9fe6-15fdf1bfb481" 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_019fdd4c-fce5-790e-8af0-e2f174c59c0d" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019fdd4c-fce5-70b3-9fe6-15fdf1bfb481" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_019fdd4c-fce5-72b6-a5ea-a93662b2c1e4" 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_FairValueDisclosureItemAmountsDomain_019fdd4c-fce5-790e-8af0-e2f174c59c0d" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_019fdd4c-fce5-72b6-a5ea-a93662b2c1e4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotes_019fdd4c-fce5-7fcc-86bf-d4f867ba561a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeniorNotes"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fdd4c-fce5-73cf-b66d-f91ff60b2f9d" xlink:to="loc_us-gaap_SeniorNotes_019fdd4c-fce5-7fcc-86bf-d4f867ba561a" xlink:type="arc" order="0"/>
  </link:definitionLink>
</link:linkbase>
