| brutality(noun, treatment, violence, severity, torture) |
| coolness(noun, indifference, insensitivity, coldness, unfriendliness) |
| detachment(noun, indifference, insensitivity, unwarmheartedness) |
| disinterest(noun, indifference, insensitivity, unwarmheartedness) |
| disregard(noun, indifference, insensitivity, unwarmheartedness) |
| emotionlessness(noun, indifference, insensitivity, coldness, unfriendliness) |
| halfheartedness(noun, indifference, insensitivity, unwarmheartedness) |
| heedlessness(noun, indifference, insensitivity, unwarmheartedness) |
| impassiveness(noun, indifference, insensitivity, unresponsiveness) |
| insensitiveness(noun, violence, severity, torture, cruelty) |
| insouciance(noun, indifference, insensitivity, unwarmheartedness) |
| lassitude(noun, indifference, insensitivity, unwarmheartedness) |
| passiveness(noun, indifference, insensitivity, unwarmheartedness) |
| passivity(noun, indifference, insensitivity, unwarmheartedness) |
| phlegm(indifference, insensitivity) |
| ruthlessness(noun, violence, severity, torture, cruelty) |
| savagery(noun, violence, severity, torture, cruelty) |
| stiffness |
| stoicism(indifference, insensitivity) |
| thick skin(noun, ability) |