| extreme(adjective, strange, stupid, crazy, unreasonable) |
| grotesque(adjective, ridiculous) |
| hare-brained |
| incongruous(adjective, wrong, silly, foolish, stupid) |
| inconsistent(adjective, simple, wrong, silly, foolish) |
| inept(adjective, imbecility folly) |
| mindless(adjective, dull, simple, wrong, silly) |
| nuts(adjective, silly, foolish, unwise) |
| rash(adjective, crazy, mad, odd, insane) |
| reckless(adjective, silly, stupid, crazy, mad) |
| screwball(adjective, silly, foolish, unwise) |
| unthinking(adjective, dull, foolish, stupid, unreasonable) |
| unwise(adjective, weak, simple, wrong, wild) |
| barmy(adjective, crazy, mad, odd, insane) |
| batty(adjective, wild, silly, foolish, stupid) |
| blockheaded(adjective, foolish, impractical, half-baked, doomed) |
| childish |
| cockamamie(weak, simple, foolish, unreasonable, illogical) |
| half-witted(adjective, dull, weak, simple, silly) |
| ill-advised(dull, weak, simple, silly, foolish) |