| foolish(adjective, dull, weak, simple, silly) |
| silly(adjective, dull, weak, simple, foolish) |
| idiotic(adjective, weak, simple, silly, foolish) |
| inane(adjective, simple, silly, foolish, stupid) |
| stupid(adjective, weak, simple, silly, foolish) |
| senseless(adjective, weak, simple, silly, foolish) |
| moronic(adjective, weak, simple, silly, foolish) |
| mindless(adjective, dull, simple, careless, silly) |
| dumb(adjective, silly, foolish, stupid, crazy) |
| witless(adjective, dull, weak, simple, silly) |
| brainless(adjective, weak, simple, silly, foolish) |
| simple(adjective, weak, silly, foolish, stupid) |
| imbecile(adjective, dull, simple, silly, foolish) |
| thick(adjective, silly, foolish, stupid, unreasonable) |
| dull(adjective, simple, silly, foolish, stupid) |
| half-witted(adjective, weak, simple, silly, foolish) |
| obtuse(adjective, silly, foolish, stupid, vulgar) |
| shallow(adjective, silly, stupid, green) |
| ignorant(adjective, simple, silly, foolish, stupid) |
| soft(adjective, silly, stupid, green) |