| nuts(adjective, simple, wild, strange, silly) |
| paradoxical(adjective, absurd) |
| pitiful(adjective, pathetic, laughable) |
| quaint(adjective, unusual, strange, funny, amusing) |
| questionable(adjective, doubtful, dubious, absurd, suspicious) |
| quizzical(funny, amusing, comic, ridiculousness, farcical) |
| suspect(adjective, doubtful, dubious, absurd, suspicious) |
| trivial(adjective, mean, silly, stupid, insignificant) |
| unimaginable(adjective, unbelievable, implausible, improbable, unfeasible) |
| unintelligent(adjective, weak, simple, mind, think) |
| unjustifiable(adjective, defended, verbal attack) |
| unlikely(adjective, strange, crazy, doubtful, dubious) |
| unrealistic(adjective, silly, foolish, fantastic, unwise) |
| waggish(adjective, light, pleasant, silly, crazy) |
| whimsical(light, pleasant, silly, crazy, funny) |
| balmy(adjective, silly, foolish, stupid, fantastic) |
| barmy(adjective, silly, foolish, unwise) |
| beyond belief(expression, adjective, absurd, unbelievable, implausible) |
| brainless(adjective, weak, simple, silly, foolish) |
| cockamamy(silly, foolish, thoughtless, unwise, unintelligent) |