| beyond all reason(expression, adjective, idiom, strange, foolish) |
| beyond belief(expression, unbelievable, unthinkable, unimaginable) |
| bizarre(adjective, foolish, fantastic, unrealistic) |
| cockeyed(adjective, foolish, fantastic, unrealistic) |
| derisory(adjective, strange, foolish, fantastic, insane) |
| eccentric(adjective, foolish, fantastic, unrealistic) |
| extraordinary(strange, unbelievable, implausible, unthinkable, unimaginable) |
| fatuous(adjective, foolish, fantastic, unrealistic) |
| foolhardy(adjective, foolish, fantastic, unrealistic) |
| foolish(adjective, fantastic, unrealistic) |
| goofy(adjective, foolish, fantastic, unrealistic) |
| half-baked(adjective, foolish, fantastic, unrealistic) |
| harebrained(adjective, foolish, fantastic, unrealistic) |
| idiotic(adjective, foolish, fantastic, unrealistic) |
| ill-conceived(adjective, strange, foolish, fantastic, insane) |
| implausible(extraordinary, strange, unbelievable, unthinkable, unimaginable) |
| impracticable(adjective, foolish, fantastic, unrealistic) |
| imprudent(adjective, foolish, fantastic, unrealistic) |
| inane(adjective, foolish, fantastic, unrealistic) |
| inappropriate(adjective, foolish, fantastic, unrealistic) |