Synonyms and related words :
Boeotian, ass, birdbrain, block, blockhead, blunderer, blunderhead, bonehead, boob, booby, boor, botcher, bumbler, bungler, chucklehead, chump, clod, clodhopper, clodknocker, clot, clown, dimwit, ding-a-ling, dingbat, dolthead, donkey, dope, dullard, dumb cluck, dumbbell, dummy, dunce, dunderhead, dunderpate, fathead, flake, fool, fumbler, gawk, goon, gowk, idiot, ignoramus, imbecile, jerk, jobbernowl, klutz, lackwit, lamebrain, lightweight, looby, loon, lout, lubber, lunkhead, moron, muggins, niais, nincompoop, ninny, ninnyhammer, nitwit, noddy, numskull, oaf, ox, pinhead, put, simpleton, slouch, slubberer, stupid, thickwit, twit, witling, yokel,