| crazy(adjective, upset, wild, strange, silly) |
| dippy(adjective, slang, crazy) |
| unscrewed(adjective, upset, slang, wild, crazy) |
| bonkers(adjective, slang, crazy) |
| distraught(adjective, upset, hurt, sad, unhappy) |
| nuts(adjective, slang, crazy) |
| nutty(adjective, slang, crazy) |
| zonkers(adjective, slang, wild, crazy) |
| bats in the belfry(expression, adjective, idiom, silly) |
| berserk(adjective, wild, silly, foolish) |
| cockeyed(adjective, slang, crazy) |
| delirious(adjective, wild, silly, foolish) |
| deranged(adjective, wild, silly, foolish) |
| flipped out(expression, wild, silly, foolish) |
| freaked out(expression, wild, silly, foolish) |
| insane(adjective, wild, silly, foolish) |
| mad as a March hare(expression, adjective, idiom, silly) |
| mad as a hatter(expression, adjective, idiom, silly) |
| mentally strange(expression, silly, foolish, insane) |
| nutty as fruitcake(expression, adjective, idiom, silly) |