- (v.i.) To be in want.
- (v.t.) To be without or destitute of; to want; to need.
- (v.i.) To be wanting; often, impersonally, with of, meaning, to be less than, short, not quite, etc.
- (n.) Deficiency; want; need; destitution; failure; as, a lack of sufficient food.
- (v.t.) To blame; to find fault with.
- (interj.) Exclamation of regret or surprise.
- (n.) Blame; cause of blame; fault; crime; offense.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). lack. Retrieved September 23, 2026, from http://smartdefine.org/lack/definitions/2026094 |
| Chicago | Webster's. 2011. "lack" http://smartdefine.org/lack/definitions/2026094 (accessed September 23, 2026). |
| Harvard | Webster's 2011, lack, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/lack/definitions/2026094>. |
| MLA | Webster's. "lack" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/lack/definitions/2026094> |