| faintness(noun, insensibility) |
| ferocity(noun, violence, severity, torture, cruelty) |
| fiendishness(noun, violence, severity, torture, cruelty) |
| fierceness(noun, violence, severity, torture, cruelty) |
| formidable defenses(noun, expression, apathy) |
| hard-heartedness(noun, violence, severity, torture, cruelty) |
| hard shell(noun, expression, apathy) |
| heartlessness(noun, violence, severity, torture, cruelty) |
| inhumanity(noun, violence, severity, torture, cruelty) |
| insentience(noun, insensibility) |
| lethargy(indifference, insensitivity) |
| malice(noun, violence, torture, cruelty, spite) |
| malignity(noun, violence, severity, torture, cruelty) |
| masochism(noun, violence, severity, torture, cruelty) |
| mercilessness(noun, violence, severity, torture, cruelty) |
| misunderstanding |
| murderousness(noun, violence, severity, torture, cruelty) |
| objectivity |
| oblivion(noun, insensibility) |
| obliviousness(noun, insensibility) |