sick
adjective(sick)
affected by an impairment of normal physical or mental function
sick
adjective(sick)
affected with madness or insanity
sick
adjective(sick)
having a strong distaste from surfeit
Synonyms: disgusted, fed up, sick of, tired of, 
 Examples:
Sick of it all. 
Sick to death of flattery. 
Gossip that makes one sick. 
sick
adjective(sick)
(of light) lacking in intensity or brightness; dim or feeble
sick
adjective(sick)
shockingly repellent; inspiring horror
sick
adjective(sick)
feeling nausea; feeling about to vomit
sick
verb(sick)
eject the contents of the stomach through the mouth
Synonyms: barf, be sick, 
cast, 
cat, 
chuck, 
disgorge, 
honk, 
puke, 
purge, 
regorge, 
regurgitate, 
retch, 
spew, 
spue, throw up, 
upchuck, 
vomit, vomit up, 
 sick
adjective(sick)
deeply affected by a strong feeling
Examples:
Sat completely still, sick with envy. 
She was sick with longing. 
sick
noun(sick)
people who are sick
Examples:
They devote their lives to caring for the sick.