Acrimony

Noun

 * 1) A sharp and bitter hatred.
 * Her acrimony for her neighbors manifests itself with shouting and stomping.

Synonyms for Acrimony
animosity, bitterness, enmity, hatred, opposition, tartness, acerbity, sharpness, harshness, anger, asperity, irascibility, malevolence, severity, malignity, acridity, causticity.

Antonyms for Acrimony
friendship, peace, amiability, mildness, smoothness, complacency, gentleness, suavity, kindness, tenderness, sweetness, courtesy, flattery, politeness.

Thesaurus
acerbity; acid; acidity; acidness; acidulousness; acridity; animosity; animus; antipathy; asperity; astringency; bad blood; bile; bite; bitingness; bitter feeling; bitter resentment; bitterness; bitterness of spirit; causticity; causticness; choler; corrosiveness; edge; feud; fierceness; gall; gnashing of teeth; grip; hard feelings; harshness; heartburning; ill blood; ill feeling; ill will; incisiveness; keenness; malevolence; malice; malignity; mordacity; mordancy; piercingness; poignancy; point; rancor; rankling; rigor; roughness; severity; sharpness; slow burn; soreness; sourness; spite; spleen; stabbingness; sting; stridency; stringency; tartness; teeth; trenchancy; vehemence; vendetta; venom; violence; virulence; vitriol