| bestial(adjective, animal, mean, cruel, vicious) |
| black-hearted(adjective, malevolent) |
| brutal(adjective, mean, cruel, vicious, ill) |
| carcinogenic(adjective, fatal, poisonous, lethal) |
| catastrophic(injurious, damaging, destructive) |
| churlish(adjective, malevolent) |
| cold(adjective, mean, nasty, hostile, unfriendly) |
| conflicting(adjective, nasty, cold, hostile, aloof) |
| consumptive(injurious, damaging, destructive) |
| contaminated(adjective, unhealthy) |
| corroding(injurious, damaging, destructive) |
| corrupting(injurious, damaging, destructive) |
| corruptive |
| critical(adjective, mean, bad, nasty, heavy) |
| cussed(adjective, mean, nasty, vicious, hateful) |
| defamatory |
| diabolical(adjective, animal, mean, cruel, vicious) |
| dire(threatening, injurious, damaging, destructive, menacing) |
| dour(adjective, mean, nasty, unfriendly, hateful) |
| fell(adjective, animal, mean, cruel, vicious) |