| loco(noun, adjective, slang, crazy, insane) |
| bats |
| crackers(adjective, sane) |
| touched(adjective, wild, silly, foolish, stupid) |
| foolish(adjective, wild, silly, stupid, crazy) |
| loopy |
| psychotic(adjective, silly, foolish, stupid, unstable) |
| silly(adjective, light, wild, foolish, stupid) |
| crazed(adjective, wild, silly, foolish, stupid) |
| daffy(adjective, informal, silly, foolish, stupid) |
| idiotic(adjective, wild, silly, foolish, stupid) |
| bananas(adjective, slang, sane) |
| buggy(adjective, slang, silly, foolish, crazy) |
| fatuous(adjective, wild, silly, foolish, stupid) |
| fruity(adjective, slang, silly, foolish, mad) |
| gaga(adjective, informal, insane, sane, distraught) |
| haywire(adjective, crazy, broken) |
| mental(adjective, silly, foolish, stupid, crazy) |
| non compos mentis(expression, adjective, law, unstable, disturbed) |
| potty(adjective, wild, silly, foolish, crazy) |