| derisory(adjective, silly, foolish, stupid, funny) |
| extravagant(adjective, rude, strange, stupid, crazy) |
| humorous(adjective, light, pleasant, smart, silly) |
| incongruous(adjective, silly, stupid, insignificant, unreasonable) |
| eccentric(adjective, wild, strange, silly, foolish) |
| hilarious(adjective, stupid, funny, fantastic, absurd) |
| meaningless(adjective, simple, silly, stupid, insignificant) |
| puerile(adjective, silly, foolish, stupid, fantastic) |
| unbelievable(adjective, thin, strange, stupid, marvelous) |
| wacky(adjective, light, weak, simple, wrong) |
| dippy(adjective, light, foolish, stupid, crazy) |
| dubious(adjective, doubtful, suspicious) |
| implausible(adjective, keen, sharp, strange, crazy) |
| queer(adjective, wild, strange, funny, odd) |
| unthinkable(adjective, absurd, outrageous, unbelievable, implausible) |
| zany(adjective, weak, simple, silly, foolish) |
| childish(adjective, silly, stupid, absurd, unintelligent) |
| goofy(adjective, light, informal, foolish, stupid) |
| imbecile |
| improbable(adjective, unbelievable, implausible) |