| imbecile(noun, ugly, huge, madness, patient) |
| jigger(noun, crazy, mad, odd) |
| mad as a March hare(expression, idiom, silly, foolish, mad) |
| mad as a hatter(expression, idiom, silly, mad, insane) |
| madperson(noun, strange, nut, madness, abnormal) |
| manic-depressive(adjective, strange, fool, mad, freak) |
| mattoid(noun, person, mad, nervous) |
| mazed(adjective, strange, fool, mad, freak) |
| mentally deficient(adjective, strange, fool, mad, freak) |
| mentally strange(expression, silly, foolish, mad, insane) |
| meshuga(adjective, strange, fool, mad, freak) |
| meshuggah(adjective, strange, fool, mad, freak) |
| non compos(adjective, strange, fool, mad, freak) |
| not right(adjective, strange, fool, mad, freak) |
| nutty as fruitcake(expression, idiom, silly, foolish, mad) |
| off(adjective, strange, fool, mad, freak) |
| out to lunch(expression, idiom, silly, crazy, mad) |
| outstanding(adjective, strange, madness, abnormal) |
| psychiatric(adjective, strange, madness, abnormal) |
| psychiatrical(adjective, strange, fool, mad, freak) |