I. crazy adjective
1.
Synonyms: insane 1, ||batty, crazed, daft, lunatic, mad, maniac, nuts, screwy, unbalanced
Related Word: doting, gaga, moonstruck; beeheaded, silly; erratic, possessed
Idioms: as crazy as a loon, having a screw loose, having bats in one's belfry, not having all one's marbles ( or buttons)
Antonyms: sane
2.
Synonyms: foolish 2, absurd, ||balmy, harebrained, insane, loony, ||potty, preposterous, silly, wacky
Related Word: goofy, senseless
Idioms: beyond the realm of reason, out of all reason
Contrasted words: practical, reasonable, reasoned, sensible
Antonyms: sane
II. ||crazy adverb
Synonyms: very 1, ||awful, ||big, damned, ||dreadful, ||larruping, ||main, ||monstrous, ||mortacious, ||right smart