| psycho(adjective, silly, foolish, mad, insane) |
| rabid(adjective, wrong, wild, lunatic, potty) |
| schizophrenic(adjective, wrong, wild, hacked, lunatic) |
| screwball(adjective, silly, foolish, mad, insane) |
| screwy(adjective, silly, foolish, mad, insane) |
| sick(adjective, crazy) |
| sick in the head(expression, adjective, crazy, sick, lunatic) |
| silly(adjective, foolish, mad, insane, unwise) |
| stark raving mad(expression, adjective, crazy, sick, lunatic) |
| touched(adjective, silly, foolish, mad, insane) |
| unbalanced(adjective, silly, foolish, mad, insane) |
| unhinged(adjective, silly, foolish, mad, insane) |
| unscrewed(frantic, hacked, unglued, lunatic, potty) |
| unsound(adjective, crazy, sick, sane) |
| unzipped(adjective, silly, foolish, mad, insane) |
| wacky(adjective, silly, foolish, mad, insane) |
| whacko(frantic, hacked, unglued, lunatic, potty) |
| wrong(adjective, wild, sane) |
| absurd(silly, foolish, unwise) |
| balmy(silly, foolish, unwise) |