| half ass |
| crazy(adjective, beat, wild, strange, silly) |
| loony(adjective, silly, foolish, crazy, unwise) |
| insane(adjective, wild, silly, foolish, crazy) |
| lunatic(adjective, silly, foolish, crazy, mad) |
| mental(adjective, silly, foolish, crazy, mad) |
| nuts(adjective, silly, foolish, crazy, mad) |
| barmy(adjective, silly, foolish, crazy, mad) |
| batty(adjective, silly, foolish, crazy, mad) |
| bonkers(adjective, silly, crazy, mad, insane) |
| crazed(adjective, wild, silly, foolish, crazy) |
| cuckoo(adjective, silly, foolish, crazy, mad) |
| daft(adjective, silly, foolish, crazy, mad) |
| demented(adjective, wild, silly, foolish, crazy) |
| deranged(adjective, wild, silly, foolish, crazy) |
| mad(adjective, wild, silly, foolish, crazy) |
| non compos mentis(expression, adjective, idiom, unstable, disturbed) |
| not all there(expression, adjective, idiom, crazy, unstable) |
| of unsound mind(expression, adjective, idiom, wild, silly) |
| potty(adjective, wild, silly, foolish, mad) |