acrimony

noun

Etymology: Etymology tree Proto-Indo-European *h₂eḱ- Proto-Indo-European *-rós Proto-Indo-European *h₂eḱrós Proto-Italic *akris Latin ācer Proto-Indo-European *-mṓ Proto-Indo-European *-monyomder. Latin -mōnium Latin -mōnia Latin ācrimōniader. Middle French acrimoniebor. English acrimony From Middle French acrimonie, from Latin ācrimōnia (“sharpness, pungency”).

1. 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; [...].”