THESAURUS
addlebrain, addlehead, addlepate, beefhead, blockhead, blubberhead, blunderhead, bonehead, bufflehead, cabbagehead, chowderhead, chucklehead, clodhead, clodpate, clodpoll, dolthead, dullhead, dumbhead, dunderhead, dunderpate, fathead, jolterhead, jughead, knucklehead, lunkhead, meathead, muddlehead, mushhead, muttonhead, noodlehead, peabrain, pinbrain, pinhead, puddinghead, pumpkin head, puzzlehead, stupidhead, thickhead, thickskull, tottyhead
ROGET THESAURUS
Ignoramus
N
ignoramus, dunce, wooden spoon, no scholar, (imbecility) 499 (folly) 501 moron, imbecile, idiot, fool, jerk, nincompoop, asshole, dilettante, sciolist, smatterer, dabbler, half scholar, charlatan, wiseacre, greenhorn, amateur, novice, tyro,
numskull, lubber, fool, pedant, bookless, shallow, ignorant, a wit with dunces and a dunce with wits.