- (v.i.) To fall sick; to sicken.
- (superl.) Affected with or attended by, nausea; inclined to vomit; as, sick at the stomach; a sick headache.
- (superl.) Affected with disease of any kind; ill; indisposed; not in health. See the Synonym under Illness.
- (superl.) Corrupted; imperfect; impaired; weakned.
- (n.) Sickness.
- (superl.) Having a strong dislike; disgusted; surfeited; -- with of; as, to be sick of flattery.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Sick. Retrieved September 22, 2026, from http://smartdefine.org/sick/definitions/2061821 |
| Chicago | Webster's. 2011. "Sick" http://smartdefine.org/sick/definitions/2061821 (accessed September 22, 2026). |
| Harvard | Webster's 2011, Sick, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/sick/definitions/2061821>. |
| MLA | Webster's. "Sick" 28 May 2011. Web. 22 September 2026. <http://smartdefine.org/sick/definitions/2061821> |