| malefic(adjective, negative, harmful, threatening, damaging) |
| malevolent(adjective, mean, bad, wrong, evil) |
| nasty(adjective, person, mean, bad, offensive) |
| not helpful |
| vicious(adjective, mean, bad, nasty, offensive) |
| biased(adjective, cruel, unreasonable, dishonest, immoral) |
| cataclysmic(adjective, harmful, damaging, deadly, destructive) |
| corrupting(adjective, distressing, harmful, damaging, destructive) |
| counterproductive |
| devastating(adjective, bad, evil, wicked, harmful) |
| disparaging(offensive, damaging, hurtful, scornful, detrimental) |
| distressing(adjective, awful, terrible, cruel, unkind) |
| disturbing(adjective, awful, terrible, dreadful, threatening) |
| foul(adjective, mean, bad, wrong, evil) |
| hostile(adjective, person, mean, bad, wrong) |
| insanitary(harmful, detrimental) |
| menacing(adjective, threatening, dangerous, damaging, destructive) |
| ominous(adjective, cruel, unkind, upsetting, threatening) |
| pestiferous(adjective, bad, foul, vile, harmful) |
| pestilent(adjective, unhealthy, harmful, dangerous, fatal) |