| grotesque(adjective, ugly, ridiculous, misshapen) |
| imbecile |
| impractical(adjective, happy, unreasonable, useless, fortunate) |
| peculiar(adjective, strange, silly, foolish, crazy) |
| strange(adjective, wild, silly, foolish, crazy) |
| unbelievable(adjective, hard, difficult, strange, marvelous) |
| unlikely(adjective, strange, crazy, unreasonable, fantastic) |
| curious(adjective, happy, perfect, strange, crazy) |
| eccentric(adjective, wild, strange, silly, foolish) |
| fanciful(adjective, happy, perfect, wild, strange) |
| goofy(adjective, light, informal, silly, foolish) |
| harebrained(adjective, weak, simple, knowledge, ability) |
| reckless(adjective, silly, stupid, crazy, mad) |
| tomfool(adjective, knowledge, ability, foolish, senseless) |
| unsound(adjective, wrong, silly, foolish, stupid) |
| unwise(adjective, weak, simple, wrong, wild) |
| unworkable(adjective, wild, foolish, unreasonable, useless) |
| daffy(adjective, weak, simple, silly, foolish) |
| dubious(adjective, doubtful, ridiculous, improbable) |
| humorous(adjective, light, silly, crazy, funny) |