(n.) A person eighty years or more, of age.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). octogenarian. Retrieved October 1, 2026, from http://smartdefine.org/octogenarian/definitions/2038307 |
| Chicago | Webster's. 2011. "octogenarian" http://smartdefine.org/octogenarian/definitions/2038307 (accessed October 1, 2026). |
| Harvard | Webster's 2011, octogenarian, Smart Define, viewed 1 October, 2026, <http://smartdefine.org/octogenarian/definitions/2038307>. |
| MLA | Webster's. "octogenarian" 27 May 2011. Web. 1 October 2026. <http://smartdefine.org/octogenarian/definitions/2038307> |