| poisonous(adjective, bad, evil, nasty, harmful) |
| atrocious(adjective, evil, awful, terrible, dreadful) |
| crooked(adjective, false, corrupt, immoral, deceitful) |
| cruel(adjective, person, appearance, terrible, hopeless) |
| deleterious(adjective, bad, evil, nasty, harmful) |
| diabolic |
| heinous(adjective, evil, vice) |
| hurtful(adjective, bad, nasty, offensive, negative) |
| ill-omened(adjective, black, warning, threatening, unfavorable) |
| ill-starred(adjective, sad, unhappy, unpleasant, woe) |
| inconsiderate(adjective, person, negative, behavior, unwarmhearted) |
| indecent(adjective, person, wicked, unwarmhearted) |
| iniquitous(adjective, wicked) |
| merciless(adjective, person, evil, negative, behavior) |
| satanic(adjective, evil) |
| stern(adjective, person, dark, terrible, negative) |
| sullen(adjective, mean, bad, wrong, evil) |
| ugly(adjective, person, unpleasant, feelings, horrible) |
| untoward(adjective, sad, unhappy, unpleasant, woe) |
| wretched(adjective, sad, unhappy, unpleasant, horrible) |