definition of
crazy

[1] #1 crazy s. [brainsick, demented, disturbed, mad, sick, unbalanced, unhinged] affected with madness or insanity; "a man who had gone mad". wn

[2] #2 crazy s. possessed by inordinate excitement; "the crowd went crazy"; "was crazy to try his new bicycle". wn

[3] #3 crazy n. [loony, looney, nutcase, weirdo] someone deranged and possibly dangerous. wn

[4] #4 crazy s. bizarre or fantastic; "had a crazy dream"; "wore a crazy hat". wn

[5] #5 crazy s. [wild, dotty, gaga] intensely enthusiastic about or preoccupied with; "crazy about cars and racing"; "he is potty about her". wn