Definition of sick

• superl. - Affected with disease of any kind; ill; indisposed; not in health. See the Synonym under Illness.
• superl. - Affected with, or attended by, nausea; inclined to vomit; as, sick at the stomach; a sick headache.
• superl. - Having a strong dislike; disgusted; surfeited; -- with of; as, to be sick of flattery.
• superl. - Corrupted; imperfect; impaired; weakned.
• n. - Sickness.
• v. i. - To fall sick; to sicken.