sick

nouns

people who are sick
"they devote their lives to caring for the sick"
sick
is a type of (narrower)
(plural) any group of human beings (men or women or children) collectively
"old people"; "there were at least 200 people in the audience"
people

verbs

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"
barf, be sick, cast, cat, chuck, disgorge, honk, puke, purge, regorge, regurgitate, retch, sick, spew, spue, throw up, upchuck, vomit, vomit up

adjectives

affected by an impairment of normal physical or mental function
"ill from the monotony of his suffering"
ill, sick
is derived from
sickness
feeling nausea; feeling about to vomit
nauseated, nauseous, queasy, sick, sickish
is derived from
sickness
affected with madness or insanity
"a man who had gone mad"
brainsick, crazy, demented, disturbed, mad, sick, unbalanced, unhinged
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
(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, sick, wan
deeply affected by a strong feeling
"sat completely still, sick with envy"; "she was sick with longing"
sick
is similar to
being excited or provoked to the expression of an emotion
"too moved to speak"; "very touched by the stranger's kindness"
affected, moved, stirred, touched
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