acrimony
[noun]
Synonyms: bitterness, harshness, ill will, irascibility, rancour, virulence

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Antonyms: suavity
Contrasted words: civility, courtesy, graciousness, politeness, diplomacy, urbanity
Related Words: bitterness, ill will, malevolence, malice, malignity, spite, spleen, animosity, animus, antipathy, rancor

[TahlilGaran] English Synonym Dictionary ▲

ac‧ri‧mo‧ny /ˈækrəməni, ˈækrɪməni $ -moʊni/ noun [uncountable]
[Date: 1500-1600; Language: Latin; Origin: acrimonia, from acer; ⇒ acrid]
formal feelings of anger between people who disagree strongly and do not like each other

[TahlilGaran] Dictionary of Contemporary English ▲