crazy No Further a Mystery
stupid foolish mad foolish absurd crazy lunatic idiotic irrational preposterous looney whacky dumb zany wacky nutty fool very simple loony nonsensical idiotical unreasonable kooky asinine weak daft unwise preposterous sluggish cuckoo fatuous dippy jerky senseless daffy sappy out to lunch screwball harebrained dotty witless inept simpleminded brainl