| around the bend(expression, adjective, wrong, wild, lunatic) |
| bananas(adjective, sane, off, hacked, lunatic) |
| barmy(adjective, silly, foolish, mad, insane) |
| batty(adjective, silly, foolish, mad, insane) |
| berserk(adjective, silly, foolish, mad, insane) |
| bonkers(adjective, silly, foolish, mad, insane) |
| buggy(adjective, sane, off) |
| cracked(adjective, silly, foolish, mad, insane) |
| crackers(adjective, crazy, sick, sane) |
| crazed(adjective, silly, foolish, mad, insane) |
| crazy as a loon(expression, adjective, crazy, sick, lunatic) |
| cuckoo(adjective, silly, foolish, mad, insane) |
| daft(adjective, silly, foolish, mad, insane) |
| delirious(adjective, silly, foolish, mad, insane) |
| demented(adjective, silly, foolish, mad, insane) |
| deranged(adjective, silly, foolish, mad, insane) |
| dingy(adjective, silly, foolish, mad, insane) |
| dippy(adjective, silly, foolish, mad, insane) |
| disordered(adjective, sane) |
| distraught(adjective, crazy, sick, frantic, sane) |