| weirdo(character, dissentient, misfit) |
| batty(adjective, keen, warm, silly, foolish) |
| buggy(adjective, silly, foolish, crazy, mad) |
| fanatic(noun, crazy, nut, lunatic, loony) |
| idiot |
| loon(noun, nut, fanatic, patient, lunatic) |
| madperson(noun, character, nut, fanatic, loony) |
| raver(noun, character, patient, lunatic, dissentient) |
| absurd(adjective, simple, silly, foolish, crazy) |
| bigot(noun, crazy, nut, fanatic, lunatic) |
| borderline case |
| bughouse |
| bugs |
| crackbrain |
| cracked(adjective, simple, silly, foolish, crazy) |
| crank(noun, crazy, loony, madman) |
| crazy person(noun, expression, idiom, cuckoo, lunatic) |
| crazyman(noun, character, dissentient, misfit, looney) |
| daffy(adjective, simple, silly, foolish, crazy) |
| dement(noun, character, crazy, eccentric, fanatic) |