| illiterate(adjective, knowledge, silly, stupid, innocent) |
| ignorant(adjective, knowledge, rough, rude, silly) |
| unlearned(adjective, knowledge, innocent, ignorant, unfamiliar) |
| unlettered(adjective, knowledge, innocent, ignorant, unfamiliar) |
| unschooled(adjective, knowledge, innocent, unqualified, ignorant) |
| untaught(noun, adjective, knowledge, innocent, ignorant) |
| untutored(adjective, knowledge, educated, overall, well-informed) |
| uninformed(adjective, innocent, ignorant, naive, unfamiliar) |
| unenlightened(adjective, innocent, ignorant, naive, unfamiliar) |
| uncultivated(adjective, knowledge, innocent, ignorant, unfamiliar) |
| uncultured(adjective, knowledge, rough, rude, coarse) |
| benighted(adjective, knowledge, innocent, ignorant, unfamiliar) |
| uncivilized(adjective, rough, rude, wild, coarse) |
| unread(adjective, knowledge, innocent, thick, ignorant) |
| unrefined(adjective, knowledge, rough, rude, coarse) |
| uninstructed(adjective, knowledge, ignorant, educated, overall) |
| empty-headed(adjective, knowledge, ignorant, ignorance, scatterbrained) |
| rude(adjective, rough, coarse, awkward, tasteless) |
| simple(adjective, silly, stupid, intelligent, fat) |
| lowbrow(adjective, knowledge, ignorant, untaught, unschooled) |