- (imp.) of Can.
- (imp.) Was, should be or would be, able, capable or susceptible. Used as an auxiliary, in the past tense or in the conditional present.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). could. Retrieved September 20, 2026, from http://smartdefine.org/could/definitions/1992152 |
| Chicago | Webster's. 2011. "could" http://smartdefine.org/could/definitions/1992152 (accessed September 20, 2026). |
| Harvard | Webster's 2011, could, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/could/definitions/1992152>. |
| MLA | Webster's. "could" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/could/definitions/1992152> |