| mad as a March hare(expression, adjective, idiom, wild, silly) |
| mad as a hatter(expression, adjective, idiom, wild, silly) |
| maniacal(adjective, silly, foolish, insane) |
| mentally strange(expression, adjective, silly, foolish) |
| nutty(adjective, silly, foolish, insane) |
| nutty as fruitcake(expression, adjective, idiom, wild, silly) |
| out to lunch(expression, adjective, idiom, wild, silly) |
| round the bend(expression, adjective, idiom, wild, silly) |
| screw loose(expression, adjective, wild, silly, foolish) |
| screwy(adjective, silly, foolish, insane) |
| unbalanced(adjective, silly, foolish, insane) |
| unglued(adjective, wild, silly, foolish) |
| unhinged(adjective, silly, foolish, insane) |
| ape(adjective, silly, foolish, insane) |
| aper(adjective, silly, confused, insane) |
| berserk(adjective, silly, foolish, insane) |
| cracked(adjective, silly, foolish, insane) |
| delirious(adjective, silly, foolish, insane) |
| dingy(adjective, silly, foolish, insane) |
| dippy(adjective, silly, foolish, insane) |