- (v.t.) To refuse.
- (v.t.) To give notice to, of approaching or probable danger or evil; to caution against anything that may prove injurious.
- (v.t.) To ward off.
- (v.t.) To make ware or aware; to give previous information to; to give notice to; to notify; to admonish; hence, to notify or summon by authority; as, to warn a town meeting; to warn a tenant to quit a house.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). warn. Retrieved September 20, 2026, from http://smartdefine.org/warn/definitions/2080705 |
| Chicago | Webster's. 2011. "warn" http://smartdefine.org/warn/definitions/2080705 (accessed September 20, 2026). |
| Harvard | Webster's 2011, warn, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/warn/definitions/2080705>. |
| MLA | Webster's. "warn" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/warn/definitions/2080705> |