| of unsound mind(expression, adjective, idiom, silly) |
| out to lunch(expression, idiom, silly, insane) |
| round the bend(expression, adjective, idiom, silly) |
| screw loose(expression, adjective, silly, foolish) |
| screwy(silly, foolish, insane, distracted) |
| shook up(expression, adjective, upset, hurt, low) |
| unglued(adjective, upset, hurt, low, sad) |
| agitated(adjective, upset, hurt, low, sad) |
| ape(silly, foolish, crazy, insane) |
| bananas(adjective, slang, crazy) |
| barmy(silly, foolish, insane, unwise) |
| batty(silly, foolish, insane, unwise) |
| cock-eyed(adjective, slang, crazy) |
| cockamamie(adjective, slang, crazy) |
| corybantic(adjective, wild, agitated, confused) |
| cracked(silly, foolish, crazy, insane) |
| crazed(upset, silly, foolish, crazy) |
| cuckoo(silly, foolish, insane, unwise) |
| daffy(adjective, slang, crazy) |
| daft(adjective, silly, foolish, insane) |