| heartlessness(noun, cruelty, harshness, unkindness, insensitivity) |
| callousness(noun, cruelty, harshness, unkindness, insensitivity) |
| pitilessness(noun, cruelty, harshness, unkindness, insensitivity) |
| coldheartedness |
| cruel-heartedness(noun, quality, cruelty, atrocity, inhumanity) |
| hardness(noun, discipline, firmness, severity, cruelty) |
| insensitivity(noun, insensitivity, coldness) |
| ruthlessness(noun, torture, cruelty, harshness, malice) |
| brutality(noun, torture, cruelty, harshness, malice) |
| coldness(noun, cruelty, harshness, unkindness, insensitivity) |
| cruelty(noun, discipline, firmness, severity, harshness) |
| mercilessness(noun, torture, cruelty, harshness, malice) |
| severity(noun, discipline, firmness, cruelty, harshness) |
| acerbity(noun, discipline, firmness, severity, harshness) |
| aloofness(noun, insensitivity, coldness, unfriendliness, taciturnity) |
| animosity |
| armor |
| atrocity(noun, cruelty, coldness, callousness, pitilessness) |
| austerity(noun, discipline, firmness, severity, harshness) |
| barbarism(noun, torture, cruelty, harshness, malice) |