| inconceivable(adjective, absurd, unbelievable, implausible, preposterous) |
| inconsistent(adjective, simple, silly, stupid, crazy) |
| injudicious(adjective, weak, simple, mind, think) |
| loony(adjective, light, weak, simple, wrong) |
| odd(adjective, wild, strange, silly, foolish) |
| pathetic(adjective, pitiful, laughable, contemptible) |
| pointless(adjective, simple, silly, foolish, stupid) |
| unwise(adjective, weak, simple, wrong, wild) |
| strange(adjective, wild, silly, foolish, marvelous) |
| antic(adjective, stupid, funny) |
| cockamamie(adjective, weak, simple, wrong, silly) |
| daffy(adjective, weak, simple, silly, foolish) |
| dotty(adjective, weak, simple, strange, silly) |
| extreme(adjective, strange, stupid, crazy, unreasonable) |
| far-fetched(adjective, marvelous, fantastic, absurd, implausible) |
| frivolous(adjective, simple, pleasant, smart, silly) |
| impractical(adjective, silly, foolish, stupid, half-baked) |
| improper(adjective, imbecility folly) |
| irresponsible(adjective, silly, foolish, stupid, fantastic) |
| peculiar(adjective, unusual, wild, strange, silly) |