| ignorant(adjective, simple, slow, stupid, sluggish) |
| uninstructed(adjective, ignorant, educated, overall, well-informed) |
| unintelligent(adjective, simple, slow, stupid, boring) |
| unscholarly(adjective, ignorant, educated, overall, well-informed) |
| brainless(adjective, simple, slow, stupid, boring) |
| foolish |
| mindless(adjective, innocent, thick, unfamiliar, unconscious) |
| illiterate(adjective, innocent, unfamiliar, unconscious, unknowing) |
| uncultivated(adjective, innocent, unfamiliar, unconscious, unknowing) |
| uncultured(adjective, innocent, unfamiliar, unconscious, unknowing) |
| uneducated(adjective, innocent, unfamiliar, unconscious, unknowing) |
| unlearned(adjective, innocent, unfamiliar, unconscious, unknowing) |
| unlettered(adjective, innocent, unfamiliar, unconscious, unknowing) |
| unschooled(adjective, innocent, unfamiliar, unconscious, unknowing) |
| untaught(adjective, innocent, unfamiliar, unconscious, unknowing) |
| vacuous(adjective, simple, slow, stupid, boring) |
| witless(adjective, simple, slow, stupid, boring) |
| benighted(adjective, innocent, unfamiliar, unconscious, unknowing) |
| irrational |
| moronic(adjective, simple, slow, stupid, boring) |