- (adv.) The reason or cause for which; that on account of which; on what account; as, I know not why he left town so suddenly; -- used as a compound relative.
- (adv.) For which; on account of which; -- used relatively.
- (adv.) For what cause, reason or purpose; on what account; wherefore; -- used interrogatively. See the Note under What, pron., 1.
- (n.) A young heifer.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). why. Retrieved September 22, 2026, from http://smartdefine.org/why/definitions/2081918 |
| Chicago | Webster's. 2011. "why" http://smartdefine.org/why/definitions/2081918 (accessed September 22, 2026). |
| Harvard | Webster's 2011, why, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/why/definitions/2081918>. |
| MLA | Webster's. "why" 28 May 2011. Web. 22 September 2026. <http://smartdefine.org/why/definitions/2081918> |