| inhumane(adjective, hard, tough, harsh, cruel) |
| insensitive(adjective, hard, tough, harsh, cruel) |
| insolent |
| intolerant(adjective, hard, tough, harsh, cruel) |
| merciless(adjective, hard, tough, harsh, cruel) |
| murderous(adjective, hard, tough, harsh, cruel) |
| obdurate |
| pitiless(adjective, hard, tough, harsh, cruel) |
| relentless(adjective, hard, tough, harsh, cruel) |
| rigorous(adjective, hard, tough, harsh, cruel) |
| ruthless(adjective, hard, tough, harsh, cruel) |
| sanguinary(adjective, hard, tough, harsh, cruel) |
| savage(adjective, hard, tough, harsh, cruel) |
| shameless(adjective, hard, tough, harsh, cruel) |
| sour(adjective, hard, tough, harsh, cruel) |
| tough(adjective, hard, harsh, cruel, grim) |
| tyrannical(adjective, hard, tough, harsh, cruel) |
| unforgiving(adjective, hard, tough, harsh, cruel) |
| unmerciful(adjective, hard, tough, harsh, cruel) |
| unregenerate(adjective, hard, tough, harsh, cruel) |