Synonyms of unintellectual

1 Syllable
green, thick, dull
2 Syllables
naive, duller, unread, untaught, witless, dense, shallow, dullest, nescient, mindless
3 Syllables
untrained, unstudious, birdbrained, innocent, ignorant, benighted, oblivious, unschooled, cretinous, unlearned, unwitting, unmindful, unconscious, moronic, obtuse
4 Syllables
apprenticed, imbecilic, unscholarly, uninformed, uninstructed, unlettered, insensible, misinformed, unsuspecting, uncultured, unconversant
5 Syllables
illiterate, uncultivated, uninitiated, unknowledgeable, uneducated, inexperienced, unenlightened