What does the word acrimonious mean?

Usage examples for acrimonious

  1. The tone of this long- drawn- out controversy, especially in the press, was distinctly acrimonious. – The Inside Story Of The Peace Conference by Emile Joseph Dillon
  2. The ruling passion of the brother- in- law was a stern and acrimonious party spirit. – The History of England from the Accession of James II. Volume 5 (of 5) by Thomas Babington Macaulay