rancor
I
noun
acerbity, acrimony, animosity, antagonism, antipathy, aversion, bitter feelings, bitterness, enmity, grudge, harshness, hate, hatred, hostility, ill feeling, ill will, invidia, malevolence, malice, malignity, odium, resentment, revenge, revengefulness, ruthlessness, spite, spitefulness, uncharitableness, unfriendliness, vendetta, vengeance, vengefulness, venom, venomousness, vindictiveness, virulence
II
index
alienation (estrangement), cruelty, feud, ill will, malice, odium, spite, umbrage, vengeance
Burton's Legal Thesaurus.
William C. Burton.
2006