stupid silly mad silly absurd crazy 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 half-baked tomfool bubbleheaded illogical lunkheaded featherheaded clueless thoughtless fifty percent-witted dense imbecile imbecilic dopey ludicrous boring unreasoned unintelligent dorky mindless dim obtuse feebleminded brain-lifeless vacuous lamebrain doltish opaque thickheaded thick invalid laughable pinheaded smooth fallacious dunderheaded farcical oafish nonrational dopy softheaded lamebrained unsound surd knuckleheaded clownish vacant-headed dim-witted gormless chuckleheaded airheaded notional gradual-witted unwell-encouraged boobish buffoonish chowderheaded birdbrained unconsidered
crazier; craziest Britannica Dictionary definition of CRAZY [also a lot more crazy; most crazy] one : not sane: such as a usually offensive : possessing or displaying serious mental sickness a hospital for crazy
You should utilize it to mean not wise a crazy thought . It's also possible to utilize it to necessarily mean very angry, really enthusiastic or quite energized: She'll go 무에타이 crazy if she finds out. The gang went crazy.