noun
- Someone whose age is in the eighties.
adjective
- Being from 80 to 89 years old. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). octogenarian. Retrieved September 25, 2026, from http://smartdefine.org/octogenarian/definitions/1179669 |
| Chicago | WordNet. 2010. "octogenarian" http://smartdefine.org/octogenarian/definitions/1179669 (accessed September 25, 2026). |
| Harvard | WordNet 2010, octogenarian, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/octogenarian/definitions/1179669>. |
| MLA | WordNet. "octogenarian" 23 October 2010. Web. 25 September 2026. <http://smartdefine.org/octogenarian/definitions/1179669> |