| nonsensical(adjective, crazy, mad, odd, insane) |
| odd(adjective, crazy, mad, insane) |
| off-the-wall(adjective, crazy, mad, odd, insane) |
| off one's head(adjective, crazy, mad, odd, insane) |
| phrenetic(adjective, crazy, mad, odd, insane) |
| rabid(adjective, crazy, mad, odd, insane) |
| rash(adjective, crazy, mad, odd, insane) |
| reckless(adjective, crazy, mad, odd, insane) |
| senseless(adjective, crazy, mad, odd, insane) |
| terrible(adjective, crazy, mad, odd, insane) |
| twisted(adjective, crazy, mad, odd, insane) |
| unglued(adjective, crazy, mad, odd, insane) |
| unsane(adjective, crazy, mad, odd, insane) |
| vehement(adjective, crazy, mad, odd, insane) |
| wacky(adjective, crazy, mad, odd, insane) |
| witless(adjective, crazy, mad, odd, insane) |
| craziest(adjective, crazy, mad, odd, insane) |