| unashamed(adjective, hard, unfeeling, unsympathetic, prepared) |
| unbending(adjective, hard, unfeeling, unsympathetic, hardened) |
| uncompassionate(adjective, hard, tough, unfeeling, unsympathetic) |
| uncontrite(adjective, hard, tough, harsh, cruel) |
| unemotional(adjective, hard, unfeeling, unsympathetic, prepared) |
| unfeeling(adjective, hard, unsympathetic, hardened, unbending) |
| unforgiving(adjective, hard, tough, harsh, cruel) |
| unmerciful(adjective, hard, tough, harsh, cruel) |
| unregenerate(adjective, hard, tough, harsh, cruel) |
| unrelenting(adjective, hard, tough, harsh, cruel) |
| unremitting(adjective, hard, tough, harsh, cruel) |
| unsoftened |
| unsubmissive(adjective, hard, unfeeling, unsympathetic, prepared) |
| untouched |
| unyielding(adjective, hard, tough, harsh, cruel) |
| vindictive(adjective, hard, tough, harsh, cruel) |
| apathetic(adjective, hard, unfeeling, unsympathetic, hardened) |
| blind to(expression, adjective, hard, unfeeling, unsympathetic) |
| careless(adjective, hard, unfeeling, unsympathetic, hardened) |
| casehardened(adjective, hard, unfeeling, unsympathetic, hardened) |