| kook(noun, person, slang, sick, wise) |
| maniac(noun, adjective, person, wrong, wild) |
| nonsensical(adjective, knowledge, ability, foolish, crazy) |
| psycho(noun, adjective, person, slang, crazy) |
| screwball(noun, adjective, slang, wild, silly) |
| deranged(noun, adjective, wild, silly, foolish) |
| kooky(adjective, weak, simple, wrong, wild) |
| madman(noun, adjective, person, crazy, mad) |
| mental(noun, adjective, slang, informal, foolish) |
| nut(noun, slang, crazy, sick, wise) |
| cracked(adjective, informal, wild, silly, foolish) |
| loopy(adjective, knowledge, ability, informal, foolish) |
| silly(adjective, light, weak, simple, wrong) |
| crackers(adjective, sane) |
| fatuous(adjective, weak, simple, wild, strange) |
| idiotic(adjective, weak, simple, knowledge, ability) |
| loco(noun, adjective, slang, insane, sane) |
| preposterous(adjective, weak, simple, wrong, knowledge) |
| senseless(adjective, crazy, mad, odd, insane) |
| unbalanced(adjective, silly, foolish, crazy, sane) |