A contraction for are not and am not; also used for is not. [Colloq. or illiterate speech]. See An't.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). ain't. Retrieved September 28, 2026, from http://smartdefine.org/ain%27t/definitions/1971960 |
| Chicago | Webster's. 2011. "ain't" http://smartdefine.org/ain%27t/definitions/1971960 (accessed September 28, 2026). |
| Harvard | Webster's 2011, ain't, Smart Define, viewed 28 September, 2026, <http://smartdefine.org/ain%27t/definitions/1971960>. |
| MLA | Webster's. "ain't" 27 May 2011. Web. 28 September 2026. <http://smartdefine.org/ain%27t/definitions/1971960> |