sick in WordNet English dictionary

1. eject the contents of the stomach through the mouth
   "After drinking too much, the students vomited"; "He purged continuously"; "The patient regurgitated the food we gave him last night"
   vomit  vomit up  purge  cast  sick  cat  be sick  disgorge  regorge  retch  puke  barf  spew  spue  chuck  upchuck  honk  regurgitate  throw up 
   

1. affected with madness or insanity
   "a man who had gone mad"
   brainsick  crazy  demented  disturbed  mad  sick  unbalanced  unhinged 
   
2. having a strong distaste from surfeit
   "grew more and more disgusted"; "fed up with their complaints"; "sick of it all"; "sick to death of flattery"; "gossip that makes one sick"; "tired of the noise and smoke"
   disgusted  fed up  sick  sick of  tired of 
   
3. shockingly repellent; inspiring horror
   "ghastly wounds"; "the grim aftermath of the bombing"; "the grim task of burying the victims"; "a grisly murder"; "gruesome evidence of human sacrifice"; "macabre tales of war and plague in the Middle ages"; "macabre tortures conceived by madmen"
   ghastly  grim  grisly  gruesome  macabre  sick 
   
4. affected by an impairment of normal physical or mental function
   "ill from the monotony of his suffering"
   ill  sick 
   
5. feeling nausea; feeling about to vomit
   nauseated  nauseous  queasy  sick  sickish 
   
6. (of light) lacking in intensity or brightness; dim or feeble
   "the pale light of a half moon"; "a pale sun"; "the late afternoon light coming through the el tracks fell in pale oblongs on the street"; "a pallid sky"; "the pale (or wan) stars"; "the wan light of dawn"
   pale  pallid  wan  sick 
   
7. deeply affected by a strong feeling
   "sat completely still, sick with envy"; "she was sick with longing"
   sick 
   

1. people who are sick
   "they devote their lives to caring for the sick"
   sick