| vitriolic(adjective, mean, nasty, unfriendly, hateful) |
| bad-tempered(adjective, mean, hard, evil, rough) |
| corrupt(adjective, mean, bad, evil, base) |
| damnable |
| dangerous(adjective, bad, hard, evil, rough) |
| depraved(adjective, bad, nasty, violent, wild) |
| ill-tempered(adjective, hard, evil, rough, nasty) |
| infamous(adjective, hard, evil, rough, nasty) |
| inimical(adjective, mean, bad, wrong, evil) |
| insensitive(adjective, mean, cruel, behavior, ill) |
| monstrous(adjective, evil, nasty, violent, wild) |
| rotten(adjective, hard, evil, rough, nasty) |
| unfavorable(adjective, mean, bad, wrong, evil) |
| unscrupulous(adjective, mean, bad, hard, evil) |
| Mephistophelian |
| abhorrent(adjective, hateful) |
| acrid |
| bad to the bone |
| barbarous(adjective, animal, mean, evil, nasty) |
| black-hearted(adjective, malevolent) |