acrimony

noun

1. (countable, uncountable)A sharp and bitter hatred.

   “Her acrimony for her neighbors manifests itself with shouting and stomping.”

   “In her resentful mood, these expressions had been remembered with acrimony and disdain; [...].”

   “In the rumbustious atmosphere of the mania years, 1845 and 1846, this state of things gave rise to acrimony which both sides faced with confidence; but as the reaction set in during 1847, it seemed better to come to terms.”

   “Liverpool manager Jurgen Klopp was prepared to play a game of patience to land Virgil van Dijk after his initial move to sign the Netherlands captain from Southampton in the summer of 2017 ended in acrimony.”