| round the bend(expression, idiom, silly, foolish) |
| screw loose(expression, silly, foolish, insane) |
| screwball(adjective, silly, foolish, insane) |
| touched(simple, silly, foolish, stupid) |
| ape(silly, foolish, insane, unwise) |
| berserk(silly, foolish, insane, unwise) |
| brainsick(adjective, wrong, wild, crazy) |
| delirious(silly, foolish, insane, unwise) |
| dingy(silly, foolish, insane, unwise) |
| disordered(adjective, wrong, wild, crazy) |
| distraught(adjective, wrong, stupid, crazy) |
| erratic(silly, foolish, insane, unwise) |
| flipped(silly, foolish, insane, unwise) |
| frenzied(adjective, wrong, wild, silly, foolish) |
| fruity(silly, foolish, insane, unwise) |
| mental(simple, silly, foolish, stupid) |
| psycho(silly, foolish, insane, unwise) |
| psychotic(silly, foolish, stupid, crazy) |
| schizo(silly, foolish, insane, unwise) |
| unbalanced(simple, silly, foolish, insane) |