| insane(adjective, weak, simple, wrong, wild) |
| ludicrous(adjective, dull, weak, simple, wild) |
| dense(adjective, dull, simple, ability, slow) |
| slow-witted(adjective, dull, simple, mind, slow) |
| doltish(verb, adjective, dull, weak, simple) |
| brainless(adjective, dull, weak, simple, wrong) |
| irrational(adjective, weak, simple, careless, wild) |
| dim-witted(adjective, dull, simple, slow, silly) |
| stolid(adjective, dull, simple, slow, intelligent) |
| boring(adjective, dull, simple, flat, slow) |
| insipid(adjective, dull, flat, slow, property) |
| dim(adjective, dull, simple, slow, intelligent) |
| goofy(adjective, strange, silly, foolish, senseless) |
| laughable(adjective, dull, strange, silly, intelligent) |
| simple(adjective, dull, weak, slow, silly) |
| witless(adjective, dull, weak, simple, slow) |
| mad(adjective, weak, simple, wrong, wild) |
| pointless(adjective, dull, simple, flat, slow) |
| preposterous(adjective, weak, simple, wrong, wild) |
| daft(adjective, weak, simple, slow, wild) |