Dictionary definition · sick
noun
- people who are sick"they devote their lives to caring for the sick"
verb
- eject the contents of the stomach through the mouth"After drinking too much, the students vomited"
adjective
- affected by an impairment of normal physical or mental function"ill from the monotony of his suffering"
- feeling nausea; feeling about to vomit
- affected with madness or insanity"a man who had gone mad"
- having a strong distaste from surfeit"grew more and more disgusted"
- (of light) lacking in intensity or brightness; dim or feeble"the pale light of a half moon"
- deeply affected by a strong feeling"sat completely still, sick with envy"
- shockingly repellent; inspiring horror"ghastly wounds"
Source: Open English WordNet (CC BY 4.0).