| unkind(adjective, animal, mean, bad, hard) |
| harsh(adjective, mean, hard, tough, evil) |
| inhumane(adjective, animal, person, mean, hard) |
| severe(adjective, person, mean, hard, tough) |
| atrocious(adjective, evil, nasty, harsh, offensive) |
| bloodthirsty(adjective, evil, nasty, harsh, violent) |
| insensitive(adjective, mean, bad, hard, tough) |
| cold(adjective, mean, hard, tough, severe) |
| hard-hearted(adjective, mean, bad, hard, tough) |
| murderous(adjective, hard, tough, harsh, violent) |
| fell(adjective, animal, kind, violent, cruel) |
| truculent(adjective, animal, kind, rude, violent) |
| feral(adjective, adverb, mean, kind, rough) |
| hard(adjective, mean, tough, severe, evil) |
| sadistic(adjective, adverb, person, mean, evil) |
| beastly(adjective, adverb, evil, rough, low) |
| outrageous(adjective, bad, awful, foul, disgusting) |
| remorseless(adjective, animal, mean, harsh, violent) |
| brute(noun, adjective, bad, rough, low) |
| grim(adjective, animal, mean, hard, tough) |