| obdurateness(noun, state, quality, resist, perseverance) |
| remorselessness(noun, state, quality, resist, perseverance) |
| vindictiveness(noun, attack, hatred, hate, hostility) |
| animosity(noun, hatred, hate, hostility, antipathy) |
| bitterness(noun, hatred, hate, hostility, spite) |
| enmity(noun, hatred, hate, hostility, antipathy) |
| hostility(noun, hatred, hate, spite, meanness) |
| maliciousness(noun, hatred, hate, hostility, antipathy) |
| malignity(noun, hatred, hate, hostility, antipathy) |
| pertinacity(noun, perseverance, obstinacy, stubbornness, inflexibility) |
| retaliation(noun, vengeance, payback) |
| retribution(noun, attack, grievance, retaliation, vengeance) |
| ruthlessness(noun, attack, grievance, retaliation, revenge) |
| spite(noun, hatred, hate, hostility, antipathy) |
| spleen(noun, hatred, hate, hostility, spite) |
| stubbornness(noun, state, quality, resist, perseverance) |
| vengeance(noun, attack, grievance, retaliation, payback) |
| venom(noun, hatred, hate, hostility, antipathy) |
| acerbity(noun, hatred, hate, hostility, antipathy) |
| acrimony |