| implacable(adjective, characteristic, cruelty, atrocity) |
| pitiless(adjective, characteristic, kind, care, cruelty) |
| rapacious(adjective, characteristic, cruelty, atrocity) |
| unfeeling(adjective, characteristic, cruelty, atrocity) |
| appalling(adjective, characteristic, severity, toughness) |
| barbarian(adjective, characteristic, severity, toughness) |
| bloodthirsty(adjective, characteristic, cruelty, atrocity) |
| coarse(adjective, characteristic, severity, toughness) |
| cold-hearted(adjective, characteristic, severity, toughness) |
| crude(adjective, characteristic, severity, toughness) |
| fierce(adjective, characteristic, cruelty, atrocity) |
| ignorant(adjective, characteristic, severity, toughness) |
| primitive(adjective, characteristic, severity, toughness) |
| relentless(adjective, characteristic, cruelty, atrocity) |
| revengeful(adjective, characteristic, cruelty, atrocity) |
| rude(adjective, characteristic, severity, toughness) |
| uncivil(adjective, characteristic, severity, toughness) |
| uncivilised(adjective, characteristic, severity, toughness) |
| uncivilized(adjective, characteristic, severity, toughness) |
| uncouth(adjective, characteristic, severity, toughness) |