| idiotic(adjective, dull, weak, simple, knowledge) |
| moronic(adjective, dull, weak, simple, knowledge) |
| stupid(adjective, dull, weak, simple, slow) |
| foolish(adjective, dull, weak, simple, knowledge) |
| silly(adjective, weak, simple, knowledge, ability) |
| crazy(adjective, weak, simple, knowledge, ability) |
| nonsensical(adjective, dull, weak, simple, knowledge) |
| absurd(adjective, weak, simple, knowledge, ability) |
| senseless(adjective, dull, weak, simple, slow) |
| asinine(adjective, weak, simple, silly, foolish) |
| imbecile(adjective, foolish, stupid, crazy, insane) |
| fatuous(adjective, weak, simple, silly, foolish) |
| inane(adjective, dull, simple, slow, silly) |
| ludicrous(adjective, dull, weak, simple, silly) |
| mad(adjective, weak, simple, knowledge, ability) |
| ridiculous(adjective, weak, simple, silly, foolish) |
| daft(adjective, weak, simple, slow, silly) |
| preposterous(adjective, weak, simple, knowledge, ability) |
| insane(adjective, weak, simple, knowledge, ability) |
| dumb(adjective, dull, simple, slow, silly) |