| fey |
| flighty |
| flipped out(expression, silly, foolish, mad, insane) |
| foolish(adjective, silly, stupid, unwise) |
| freaked out(expression, silly, foolish, mad, insane) |
| frenetic(adjective, insanity) |
| impractical(adjective, silly, foolish, stupid, insane) |
| irresponsible(adjective, silly, foolish, stupid, insane) |
| mad as a March hare(expression, idiom, silly, foolish, mad) |
| mentally strange(expression, silly, foolish, mad, insane) |
| not right(expression, idiom, insanity) |
| nutty as fruitcake(expression, idiom, silly, foolish, mad) |
| off one's rocker(adjective, idiom, insane, sane) |
| out of one's mind(adjective, idiom, insane, sane) |
| out to lunch(expression, idiom, silly, mad, insane) |
| possessed(adjective, enchanted, fortunate, lucky, insanity) |
| preposterous(adjective, silly, foolish, stupid, insane) |
| psychopathic(adjective, silly, foolish, stupid, insane) |
| rabid(adjective, silly, foolish, stupid, insane) |
| raging(adjective, silly, foolish, stupid, insane) |