- (n.) Indisposition or morbid affection.
- (v.i.) To be affected with pain or uneasiness of any sort; to be ill or indisposed or in trouble.
- (v.t.) To affect with pain or uneasiness, either physical or mental; to trouble; to be the matter with; -- used to express some uneasiness or affection, whose cause is unknown; as, what ails the man? I know not what ails him.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). ail. Retrieved September 22, 2026, from http://smartdefine.org/ail/definitions/1971946 |
| Chicago | Webster's. 2011. "ail" http://smartdefine.org/ail/definitions/1971946 (accessed September 22, 2026). |
| Harvard | Webster's 2011, ail, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/ail/definitions/1971946>. |
| MLA | Webster's. "ail" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/ail/definitions/1971946> |