| rancorous(adjective, characteristic, nastiness, wrath) |
| schizo(adjective, characteristic, insanity, craziness) |
| screwball(adjective, characteristic, insanity, craziness) |
| screwy(adjective, characteristic, insanity, craziness) |
| senseless(adjective, characteristic, insanity, craziness) |
| sharp(adjective, characteristic, nastiness, wrath) |
| short-sighted(adjective, characteristic, insanity, craziness) |
| spiteful(adjective, characteristic, nastiness, wrath) |
| strange(adjective, characteristic, insanity, craziness) |
| testy(adjective, characteristic, nastiness, wrath) |
| unbalanced(adjective, characteristic, insanity, craziness) |
| unglued(adjective, characteristic, insanity, craziness) |
| unhinged(adjective, characteristic, insanity, craziness) |
| unworkable(adjective, characteristic, insanity, craziness) |
| wacky(adjective, characteristic, insanity, craziness) |
| weird(adjective, characteristic, insanity, craziness) |
| wrathful(adjective, characteristic, nastiness, wrath) |
| acerbic(adjective, characteristic, nastiness, wrath) |
| acid(adjective, characteristic, nastiness, wrath) |
| astringent(adjective, characteristic, nastiness, wrath) |