sapient Antonyms

misconsidered dippy uneducated away with the fairies goofy nut case meshugge meshugga fruitcake harebrained madwoman nutcase grigri cockeyed wode witless dumb as a box of rocks feather-brained lift doesn't go all the way to the top as crazy as hell as crazy as a bedbug one sandwich short of a picnic silly as a goose as silly as a goose unperceptive sociopathic slow on the uptake simpleminded postage stamp paranoiac not playing with a full deck not the sharpest tool in the shed not right in the head unwise unsound unreasonable irrational insane injudicious imprudent illogical idiotic foolish fatuous dumb daft crazy brainless bishop bedlamite