| noncompos |
| nonsensical(adjective, crazy, mad, odd, insane) |
| numbskull |
| odd(adjective, crazy, mad, insane) |
| off-the-wall(adjective, crazy, mad, odd, insane) |
| off his rocker(expression, idiom) |
| off one's head(adjective, crazy, mad, odd, insane) |
| psychiatric patient(noun, expression, character, lunatic, dissentient) |
| rabid(adjective, crazy, mad, odd, insane) |
| rapist(noun, person, madness, insanity, psycho) |
| rash(adjective, crazy, mad, odd, insane) |
| reckless(adjective, crazy, mad, odd, insane) |
| senseless(adjective, crazy, mad, odd, insane) |
| simpleton |
| stir-nut(adjective, lunatic) |
| swashbuckler |
| terrible(adjective, crazy, mad, odd, insane) |
| twisted(adjective, crazy, mad, odd, insane) |
| unglued(adjective, crazy, mad, odd, insane) |
| unsane(adjective, crazy, mad, odd, insane) |