| unyieldingness(pitilessness, mercilessness) |
| vindictiveness(noun, attack, hatred, resentment, hostility) |
| violence(noun, cruelty, coldness, viciousness, callousness) |
| acerbity(noun, hatred, resentment, hostility, antagonism) |
| acrimony(noun, hatred, resentment, hostility, antagonism) |
| aloofness(noun, insensitivity) |
| animosity(noun, hatred, resentment, hostility, antagonism) |
| animus(noun, attack, hatred, resentment, hostility) |
| antagonism(noun, hatred, resentment, hostility, bitterness) |
| antipathy(noun, hatred, resentment, hostility, antagonism) |
| apathy(noun, insensitivity) |
| asperity(noun, harshness, sternness) |
| avenging(noun, attack, grievance, retaliation, vengeance) |
| avengment(noun, attack, grievance, retaliation, revenge) |
| aversion(noun, hatred, resentment, hostility, antagonism) |
| bad blood(noun, expression, hatred, resentment, hostility) |
| bile(noun, hatred, resentment, hostility, antagonism) |
| bitterness(noun, hatred, resentment, hostility, antagonism) |
| bloodiness |
| bloodthirst |