Gothic Philistine barbarous benighted bookless colloquial common conversational deceived empty-headed everyday familiar functionally illiterate grammarless heathen hoodwinked ignorant ill-educated illiterate informal know-nothing led astray lowbrow misinformed misinstructed mistaught nonintellectual nonstandard pagan rude spoken substandard unbooked unbookish unbooklearned unbriefed uncultivated uncultured unedified unenlightened unerudite unguided uninstructed unintellectual unlearned unlettered unliterary unread unrefined unscholarly unschooled unstudied unstudious untaught untutored vernacular