| rough(verb, adjective, person, dull, hard) |
| rude(adjective, dull, hard, rough, nasty) |
| solid(adjective, set, strong, hard, firm) |
| soulless(adjective, mean, hard, harsh, cold) |
| stern(adjective, mean, hard, tough, severe) |
| stonyhearted(adjective, attitude) |
| toughened(noun, adjective, hard, cruel, unfeeling) |
| unaffected(adjective, hard, cold, indifferent, cruel) |
| unbending(adjective, hard, tough, rough, harsh) |
| unperceptive(adjective, senseless) |
| unpitying(adjective, mean, hard, cool, severe) |
| unrepentant(adjective, impenitent) |
| banemalentous(adjective, aroused negative, negative emotions, aroused bad feelings) |
| beastly(adjective, aroused negative, aroused bad feelings) |
| black-hearted(adjective, aroused negative, negative emotions, aroused bad feelings) |
| blunt(verb, adjective, dull, develop, rough) |
| cauterise |
| chill(adjective, bad, cold, detached, aloof) |
| comatose(adjective, unfeeling, senseless, numb, insensitive) |
| hard-nosed(adjective, mean, hard, tough, evil) |