stupid silly mad foolish absurd insane lunatic idiotic irrational preposterous looney whacky dumb zany wacky nutty idiot very simple loony nonsensical idiotical unreasonable kooky asinine weak daft unwise preposterous slow cuckoo fatuous dippy jerky senseless daffy sappy out to lunch screwball harebrained dotty witless inept simpleminded brainless weak-minded crackpot unreasoning kookie moronic balmy cockeyed 50 %-baked tomfool bubbleheaded illogical lunkheaded featherheaded clueless thoughtless 50 percent-witted dense imbecile imbecilic dopey ludicrous uninteresting unreasoned unintelligent dorky senseless dim obtuse feebleminded Mind-dead vacuous lamebrain doltish opaque thickheaded thick invalid laughable pinheaded delicate fallacious dunderheaded farcical oafish nonrational dopy softheaded lamebrained unsound surd knuckleheaded clownish vacant-headed dim-witted gormless chuckleheaded airheaded notional sluggish-witted unwell-encouraged boobish buffoonish chowderheaded birdbrained unconsidered
crazier; craziest Britannica Dictionary definition of CRAZY [also much more crazy; most crazy] 1 : not sane: for instance a commonly offensive : obtaining or displaying serious psychological ailment a medical center for crazy
You should utilize it to necessarily mean not sensible a crazy thought . It's also possible to utilize it to mean extremely indignant, incredibly enthusiastic or pretty excited: She'll go 격투기 crazy if she finds out. The crowd went crazy.