Definition of acrimoniousness in English:

acrimoniousness

noun

  • The quality or habit of being acrimonious.

Origin

Mid 17th century; earliest use found in Kenelm Digby (1603–1665), natural philosopher and courtier. From acrimonious + -ness.

Pronunciation:

acrimoniousness

/ˌakrɪˈməʊnɪəsnəs/