| insane(adjective, silly, foolish, stupid) |
| demented(adjective, silly, foolish, stupid) |
| daft(adjective, silly, foolish, stupid) |
| deranged(adjective, silly, foolish, stupid) |
| lunatic(adjective, silly, foolish, stupid) |
| unbalanced(adjective, silly, foolish, insane) |
| touched(adjective, silly, foolish, stupid) |
| unhinged(adjective, silly, foolish, stupid) |
| batty(adjective, silly, foolish, stupid) |
| bonkers(adjective, silly, foolish, insane) |
| cracked(adjective, silly, foolish, stupid) |
| maniacal(adjective, silly, foolish, stupid) |
| mental(adjective, silly, foolish, stupid) |
| nuts(adjective, silly, foolish, stupid) |
| cuckoo(adjective, silly, foolish, stupid) |
| moonstruck(adjective, silly, foolish, stupid) |
| nutty(adjective, silly, foolish, stupid) |
| out to lunch(expression, adjective, idiom, wild, silly) |
| potty(adjective, wild, silly, foolish) |
| screwy(adjective, silly, foolish, stupid) |