| cracked(adjective, silly, foolish, stupid, crazy) |
| disturbed(adjective, crazy, unstable, troubled) |
| loco(adjective, crazy, insane, crazed) |
| screwy(adjective, silly, foolish, stupid, crazy) |
| unsound(crazy, unstable, insane, disturbed) |
| crazed(adjective, silly, foolish, stupid, crazy) |
| kooky(adjective, crazy, unstable, insane) |
| schizoid(adjective, crazy, insane, hysterical) |
| schizophrenic(noun, adjective, silly, foolish, stupid) |
| cuckoo(noun, adjective, silly, foolish, stupid) |
| bananas(adjective, crazy, hysterical, crazed) |
| crank(noun, lunatic, schizophrenic, maniac) |
| irrational(adjective, foolish, stupid, crazy) |
| unstable(insane, disturbed, erratic, unhinged) |
| foolish(adjective, silly, stupid, crazy) |
| fruity(insane, psychiatric) |
| psychiatric |
| demoniac(noun, lamebrain, schizophrenic, maniac) |
| flaky(crazy, unstable, disturbed, erratic) |
| fruitcake(noun, lamebrain, schizophrenic, maniac) |