Dictionary

perpetuity

noun per·pe·tu·i·ty \ˌpər-pə-ˈtü-ə-tē, -ˈtyü-\

: the state of continuing forever or for a very long time

plural per·pe·tu·i·ties

Full Definition of PERPETUITY

: eternity 2

: the quality or state of being perpetual <bequeathed to them in perpetuity>

a : the condition of an estate limited so that it will not take effect or vest within the period fixed by law

b : an estate so limited

: an annuity payable forever

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Middle English perpetuite, from Anglo-French perpetuité, from Latin perpetuitat-, perpetuitas, from perpetuus

First Known Use: 15th century

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