| foolish(adjective, dull, weak, simple, silly) |
| silly(adjective, dull, weak, simple, foolish) |
| fatuous(adjective, weak, simple, silly, foolish) |
| absurd(adjective, weak, simple, silly, foolish) |
| idiotic(adjective, weak, simple, silly, foolish) |
| inane(adjective, simple, silly, foolish, stupid) |
| stupid(adjective, weak, simple, silly, foolish) |
| nonsensical(adjective, weak, simple, silly, foolish) |
| senseless(adjective, weak, simple, silly, foolish) |
| moronic(adjective, weak, simple, silly, foolish) |
| crazy(adjective, weak, simple, silly, foolish) |
| imbecilic(adjective, weak, simple, silly, foolish) |
| ridiculous(adjective, weak, simple, silly, foolish) |
| irrational(adjective, weak, simple, silly, foolish) |
| mindless(adjective, dull, simple, careless, silly) |
| preposterous(adjective, weak, simple, foolish, stupid) |
| daft(adjective, weak, simple, silly, foolish) |
| dumb(adjective, silly, foolish, stupid, crazy) |
| ludicrous(adjective, weak, simple, silly, foolish) |
| mad(adjective, weak, simple, silly, foolish) |