imbecilic Synonyms

softheaded sheep-headed senseless risible ridiculous retarded preposterous obtuse nonsensical silly simple-minded terebrate unintelligent ill-conceived mentally retarded thickheaded dopey feebleminded vacuous thick laughable irrational chuckleheaded changeling buffle-headed brainless bovine blockheaded beetle-headed addle-pated cretinous doltish dozy inane imbecile idiotic half-witted foolish feeble-minded dumb dull-witted absurd