Neanderthal

1 a big clumsy often slow-witted person they looked like a tribe of Neanderthals compared to the bridegroom's patrician-looking family Synonyms clod, clodhopper, gawk, hulk, lout, lubber, lug, lump, oaf, palookaRelated Words chump, loser, schlemiel (also shlemiel), turkey; slouch; airhead, birdbrain, blockhead, blunderer, bonehead, bubblehead, chowderhead, chucklehead, clodpoll (or clodpole), clot [British], cluck, clunk, cuddy (or cuddie) [British dialect], deadhead, dim bulb [slang], dimwit, dip, dodo, dolt, donkey, doofus [slang], dope, dork [slang], dullard, dumbbell, dumbhead, dum-dum, dummkopf, dummy, dunce, dunderhead, fathead, galoot [slang], gander, golem, goof, goon, half-wit, hammerhead, hardhead, idiot, ignoramus, imbecile, jackass, know-nothing, knucklehead, lamebrain, loggerhead [chiefly dialect], loon, lump, lunkhead, meathead, mome [archaic], moron, mug [chiefly British], mutt, natural, nimrod [slang], nincompoop, ninny, ninnyhammer, nit [chiefly British], nitwit, noddy, noodle, numskull (or numbskull), pinhead, prat [British], ratbag [chiefly Australian], saphead, schlub (also shlub) [slang], schnook [slang], simp, simpleton, stock, stupe, stupid, thickhead, turkey, woodenhead, yahoo, yo-yo; anthropoid, ape, beast, boor, brute, cad, churl, clown, creep, cretin, cur, heel, louse, skunk, snake, stinker, tyke (also tike) [chiefly British], villain; booby, fool, goose, loony (also looney), lunatic, madman, nut; featherbrain, scatterbrain; rascal, rogue, scampNear Antonyms brain, brainiac, egghead, genius, intellectual, sage, thinker, whiz, wizard

2 a man with crude manners and habits and outmoded attitudes made the mistake of dining with some Neanderthal who repeatedly mistook his shirtsleeve for a napkin Synonyms caveman, troglodyteRelated Words barbarian, heathen, primitive, savage; animal, beast, brute; boor, cad, churl, creep, cretin, cur, heel, jerk, louse, lout, swine