Gothic, Philistine, barbarous, bookless, callow, deceived, functionally illiterate, grammarless, green, heathen, hoodwinked, ill-educated, illiterate, inexperienced, led astray, lowbrow, misinformed, misinstructed, mistaught, naive, nonintellectual, pagan, rude, unbooked, unbookish, unbooklearned, unbriefed, uncultivated, uncultured, unedified, uneducated, unenlightened, unerudite, unguided, uninformed, uninitiated, uninstructed, unintellectual, unlearned, unlettered, unliterary, unread, unrefined, unripe, unschooled, unstudious, untaught, untutored