Synonyms and related words :
Boeotian, Indian club, barbell, block, clod, dimwit, dolt, donkey, dope, dullard, dullhead, dumb cluck, dummkopf, dummy, dunce, exerciser, gowk, horse, idiot, ignoramus, jobbernowl, lackwit, lamebrain, lightweight, long horse, looby, loon, moron, niais, nincompoop, ninny, ninnyhammer, nitwit, noddy, parallel bars, punching bag, put, rings, rowing machine, side horse, simpleton, stupid, thickwit, trampoline, trapeze, weight, witling