perpetuity /pûr-pi-tūˈi-ti/

1. The state of being perpetual
2. Endless time
3. Duration for an indefinite period
4. Something lasting for ever
5. The sum paid for a perpetual annuity
6. The annuity itself
7. An arrangement whereby property is tied up, or rendered inalienable, for all time or for a very long time

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