| improbable(adjective, extraordinary, fantastic, amazing, unbelievable) |
| mindless(adjective, careless, foolish, stupid, unreasonable) |
| pointless |
| self-contradictory(adjective, absurd, absurdity) |
| tall(adjective, hard, difficult, false, unreasonable) |
| thick(adjective, informal, extraordinary, amazing, ridiculous) |
| unimaginable(adjective, extraordinary, unreasonable, useless, absurd) |
| unlikely(adjective, obscure, strange, exceptional, crazy) |
| zany(adjective, weak, simple, knowledge, ability) |
| batty(adjective, strange, silly, foolish, stupid) |
| beyond belief(expression, adjective, idiom, extraordinary, amazing) |
| cockamamie(weak, simple, extraordinary, foolish, unreasonable) |
| curious(adjective, happy, perfect, strange, fantastic) |
| daffy(adjective, weak, simple, strange, foolish) |
| doubtful(adjective, extraordinary, fantastic, amazing, unbelievable) |
| eccentric(adjective, wild, strange, silly, foolish) |
| impracticable(adjective, wild, strange, silly, foolish) |
| nuts(adjective, wild, silly, foolish, stupid) |
| odd(adjective, wrong, false, unusual, wild) |
| outre(exaggeration, ridiculousness) |