| malignant(adjective, animal, mean, cruel, vicious) |
| mean(adjective, animal, hard, sharp, nasty) |
| sanguinary(adjective, hard, tough, harsh, violent) |
| stony-hearted(adjective, cold, cruel, unfeeling, unsympathetic) |
| tough(adjective, hard, severe, harsh, violent) |
| unbending(adjective, harsh, cruel, determined, fierce) |
| uncaring(adjective, person, mean, bad, hard) |
| uncivilized(adjective, rough, offensive, rude, violent) |
| unkindly(adjective, bad, cold, aloof, no feelings) |
| untamed(adjective, rough, violent, wild, cruel) |
| wicked(adjective, evil, nasty, harsh, offensive) |
| wild(adjective, rough, rude, violent, cruel) |
| wolfish(adjective, animal, kind, rude, violent) |
| abominable(adjective, adverb, low, offensive, base) |
| animal(noun, adjective, adverb, rough, low) |
| bloody(adjective, hard, tough, harsh, violent) |
| deadly |
| frigid(adjective, temper, cold, indifferent, negative) |
| ghoulish |
| hard-boiled(adjective, bad, hard, cold, cruel) |