| crazy(adjective, informal, strange, silly, foolish) |
| insane(adjective, silly, foolish, stupid, mad) |
| sentimental(adjective, soft, sweet, emotional, affected) |
| lunatic(adjective, silly, foolish, stupid, mad) |
| mad(adjective, silly, foolish, stupid, insane) |
| demented(adjective, silly, foolish, stupid, mad) |
| gaga(adjective, informal, sane) |
| daft(adjective, silly, foolish, stupid, mad) |
| deranged(adjective, silly, foolish, stupid, mad) |
| loco(adjective, slang, insane, sane) |
| touched(adjective, informal, silly, foolish, stupid) |
| brainsick(adjective, insane, sane) |
| cracked(adjective, informal, silly, foolish, stupid) |
| crazed(adjective, silly, foolish, stupid, mad) |
| loony(adjective, informal, silly, foolish, stupid) |
| mental(adjective, silly, foolish, stupid, mad) |
| of unsound mind(expression, adjective, idiom, silly, mad) |
| unbalanced(adjective, silly, foolish, mad, insane) |
| distraught(adjective, insane, sane) |
| fruity(adjective, slang, silly, foolish, mad) |