(a.) Of or pertaining to old age; proceeding from or characteristic of, old age; affected with the infirmities of old age; as, senile weakness.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). senile. Retrieved September 24, 2026, from http://smartdefine.org/senile/definitions/2060376 |
| Chicago | Webster's. 2011. "senile" http://smartdefine.org/senile/definitions/2060376 (accessed September 24, 2026). |
| Harvard | Webster's 2011, senile, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/senile/definitions/2060376>. |
| MLA | Webster's. "senile" 28 May 2011. Web. 24 September 2026. <http://smartdefine.org/senile/definitions/2060376> |