| psychotic(adjective, silly, foolish, stupid) |
| bananas(adjective, slang, crazy, sane) |
| potty(adjective, wild, silly, foolish, stupid) |
| touched(adjective, wild, silly, foolish, stupid) |
| unhinged(adjective, silly, crazy, insane) |
| buggy(adjective, slang, silly, foolish, crazy) |
| fruity(adjective, slang, silly, foolish) |
| non compos mentis(expression, adjective, law, insane) |
| round the bend(expression, adjective, idiom, silly, foolish) |
| wild(adjective, upset, silly, foolish, stupid) |
| crazed(adjective, upset, wild, silly, foolish) |
| dippy(adjective, slang, crazy) |
| disturbed(adjective, upset, strange, odd) |
| foolish(adjective, simple, rough, wild, strange) |
| of unsound mind(expression, adjective, idiom, silly) |
| psycho(noun, adjective, slang, silly, crazy) |
| silly(adjective, wild, foolish, stupid, crazy) |
| eccentric(adjective, wild, strange, silly, foolish) |
| idiotic(adjective, wild, silly, foolish, stupid) |
| maniacal(adjective, silly, crazy, insane) |