| pitiless(adjective, animal, person, mean, hard) |
| stony(adjective, person, mean, hard, cool) |
| brutal(adjective, person, mean, hard, tough) |
| ruthless(adjective, animal, mean, hard, tough) |
| apathetic(adjective, quiet, mean, hard, cool) |
| inhuman(adjective, animal, person, mean, bad) |
| tough(adjective, mean, hard, cool, severe) |
| uncompassionate(adjective, animal, mean, hard, cool) |
| unresponsive(adjective, quiet, mean, bad, hard) |
| unemotional(adjective, mean, hard, cool, tough) |
| inhumane(adjective, animal, person, mean, severe) |
| hostile(adjective, person, mean, tough, harsh) |
| severe(adjective, person, mean, hard, tough) |
| stern(adjective, person, mean, tough, severe) |
| unconcerned(adjective, mean, hard, cool, careless) |
| hardhearted(adjective, person, mean, hard, severe) |
| icy(adjective, person, mean, hard, cool) |
| barbaric(adjective, animal, person, mean, cruel) |
| obdurate(adjective, mean, hard, cool, tough) |
| unmoved(adjective, mean, hard, cool, cold) |