| getting even(noun, expression, attack, grievance, retaliation) |
| grudge(noun, hatred, resentment, hostility, antagonism) |
| hard-heartedness(noun, violence, severity, torture, cruelty) |
| hardness of heart(noun, expression, idiom, hatred, resentment) |
| hate(noun, hatred, resentment, hostility, antagonism) |
| hatefulness(noun, hatred, resentment, hostility, antagonism) |
| hatred(noun, resentment, hostility, antagonism, bitterness) |
| hellishness(noun, pitilessness) |
| hostility(noun, hatred, resentment, antagonism, bitterness) |
| ill feeling(noun, expression, hatred, resentment, hostility) |
| ill will(noun, expression, attack, hatred, resentment) |
| immorality(noun, dishonesty, wickedness, crookedness, evilness) |
| implacableness(noun, cruelty, malice, meanness, nastiness) |
| inclemency |
| inexorability(noun, pitilessness, mercilessness, relentlessness) |
| inflexibility(noun, pitilessness, mercilessness, relentlessness) |
| insensibility(noun, violence, severity, torture, cruelty) |
| masochism(noun, violence, severity, torture, cruelty) |
| measure for measure(noun, expression, idiom, attack, grievance) |
| mordacity(noun, hatred, resentment, hostility, antagonism) |