| non compos mentis(expression, adjective, idiom, law, mad) |
| touched(adjective, informal, insane, sane) |
| balmy |
| bats |
| daffy(adjective, slang, informal, crazy, mad) |
| fruity(adjective, slang, mad, insane, sane) |
| loopy |
| maniac(adjective, crazy, mad, sick, insane) |
| mentally ill(expression, adjective, idiom, crazy, sick) |
| of unsound mind(expression, adjective, idiom, insane, sane) |
| screwy(adjective, slang, insane, sane) |
| unhinged(adjective, insane) |
| cuckoo(adjective, slang, insane, sane) |
| kooky |
| moonstruck(adjective, insane, sane) |
| psychotic(adjective, crazy, mad, insane, crazed) |
| brainsick(adjective, crazy, sick, insane, sane) |
| buggy(adjective, slang, sane, off, dotty) |
| distraught(adjective, crazy, sick, insane, sane) |
| irrational(adjective, crazy, mad, insane, distracted) |