| fatuous(adjective, weak, simple, ability, silly) |
| silly(adjective, dull, weak, simple, ability) |
| brainless(adjective, dull, weak, simple, ability) |
| senseless(adjective, dull, weak, simple, ability) |
| stupid(adjective, dull, weak, simple, slow) |
| mindless(adjective, dull, simple, ability, careless) |
| foolish(adjective, dull, weak, simple, ability) |
| half-assed |
| mad(adjective, foolish, crazy, odd, insane) |
| simple(adjective, dull, weak, slow, silly) |
| crazy(adjective, foolish, mad, odd, insane) |
| idiotic(adjective, dull, weak, simple, slow) |
| moronic(adjective, dull, weak, simple, slow) |
| asinine(adjective, dull, weak, simple, silly) |
| daft(adjective, weak, simple, slow, silly) |
| unintelligent(adjective, dull, weak, simple, ability) |
| dull(adjective, simple, careless, silly, foolish) |
| dumb(adjective, dull, simple, slow, silly) |
| ignorant(adjective, simple, slow, silly, stupid) |
| loony(adjective, foolish, crazy, mad, odd) |