| churlish(adjective, mean, hard, tough, severe) |
| gruff(adjective, hard, severe, sharp, rough) |
| horrible(adjective, mean, nasty, unpleasant, awful) |
| inclement(adjective, tough, harsh, cruel, grim) |
| inflexible |
| insensate(adjective, bad, hard, tough, severe) |
| iron-hearted(adjective, bad, hard, tough, severe) |
| menacing(adjective, behavior, aroused negative, aroused awful feeling) |
| miserable(adjective, bad person) |
| monstrous(adjective, severe, evil, nasty, harsh) |
| remorseless(adjective, animal, mean, hard, severe) |
| rigorous(adjective, tough, harsh, grim, painful) |
| senseless(adjective, bad, hard, tough, severe) |
| sinful(adjective, evil, nasty, harsh, vicious) |
| sour(adjective, mean, severe, nasty, cruel) |
| stinging |
| sullen |
| unbending |
| ungenerous(adjective, mean, nasty, hostile, unfriendly) |
| unhappy(adjective, hard, harsh) |