Main entry: crazy, looney, loony, nutcase, weirdo
Definition: someone deranged and possibly dangerous
Main entry: wild, gaga, crazy, dotty
Definition: intensely enthusiastic about or preoccupied with
Usage: crazy about cars and racing; he is potty about her
Main entry: crazy
Definition: possessed by inordinate excitement
Usage: the crowd went crazy; was crazy to try his new bicycle
Main entry: crazy
Definition: bizarre or fantastic
Usage: had a crazy dream; wore a crazy hat
Main entry: half-baked, softheaded, screwball, crazy
Definition: foolish; totally unsound
Usage: a crazy scheme; half-baked ideas; a screwball proposal without a prayer of working
Main entry: disturbed, demented, crazy, mad, unbalanced, unhinged, sick, brainsick
Definition: affected with madness or insanity
Usage: a man who had gone mad