| absurd(adjective, silly, foolish, fantastic, unwise) |
| balmy(adjective, silly, foolish, fantastic, unwise) |
| bizarre(adjective, silly, foolish, fantastic, unwise) |
| cockeyed(adjective, silly, foolish, fantastic, unwise) |
| crazy(adjective, wild, silly, foolish, fantastic) |
| derisory(adjective, wild, strange, silly, foolish) |
| eccentric(adjective, silly, foolish, fantastic, unwise) |
| fatuous(adjective, silly, foolish, fantastic, unwise) |
| foolhardy(adjective, silly, foolish, fantastic, unwise) |
| goofy(adjective, silly, foolish, fantastic, unwise) |
| half-baked(adjective, silly, foolish, fantastic, unwise) |
| harebrained(adjective, silly, foolish, fantastic, unwise) |
| idiotic(adjective, silly, foolish, fantastic, unwise) |
| ill-conceived(adjective, wild, strange, silly, foolish) |
| impracticable(adjective, silly, foolish, fantastic, unwise) |
| imprudent(adjective, silly, foolish, fantastic, unwise) |
| inane(adjective, silly, foolish, fantastic, unwise) |
| inappropriate(adjective, silly, foolish, fantastic, unwise) |
| insane(adjective, silly, foolish, fantastic, unwise) |
| irresponsible(adjective, silly, foolish, fantastic, unwise) |