- (n.) The number of years in which the simple interest of any sum becomes equal to the principal.
- (n.) Duration without limitations as to time.
- (n.) The number of years' purchase to be given for an annuity to continue forever.
- (n.) Something that is perpetual.
- (n.) Endless time.
- (n.) The quality or state of being perpetual; as, the perpetuity of laws.
- (n.) The quality or condition of an estate by which it becomes inalienable, either perpetually or for a very long period; also, the estate itself so modified or perpetuated.
- (n.) A perpetual annuity.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). perpetuity. Retrieved September 23, 2026, from http://smartdefine.org/perpetuity/definitions/2044090 |
| Chicago | Webster's. 2011. "perpetuity" http://smartdefine.org/perpetuity/definitions/2044090 (accessed September 23, 2026). |
| Harvard | Webster's 2011, perpetuity, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/perpetuity/definitions/2044090>. |
| MLA | Webster's. "perpetuity" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/perpetuity/definitions/2044090> |