| severe(adjective, mean, harsh, cruel, vicious) |
| surly(adjective, mean, severe, harsh, cruel) |
| unappeasable(adjective, mean, severe, harsh, cruel) |
| uncalled-for(adjective, mean, severe, harsh, cruel) |
| uncompassioned |
| unflinching(adjective, mean, severe, harsh, cruel) |
| unpitiful |
| unrelenting(adjective, mean, severe, harsh, cruel) |
| unremorseful |
| unsparing(adjective, mean, severe, harsh, cruel) |
| unsympathizing |
| wanton(adjective, mean, severe, harsh, cruel) |
| without pity(expression, adjective, mean, severe, harsh) |
| adamant(adjective, mean, harsh, cruel, vicious) |
| ambitious(adjective, spirited, aggressive, competing, bloodthirsty) |
| antagonistic(adjective, spirited, aggressive, ambitious, competing) |
| at odds(expression, adjective, spirited, aggressive, ambitious) |
| austere(adjective, mean, hard, harsh, cold) |
| coldblooded(adjective, mean, hard, harsh, cold) |
| coldhearted(adjective, mean, hard, harsh, cold) |