Dictionary.com
Thesaurus.com
Synonyms

acrimonious

American  
[ak-ruh-moh-nee-uhs] / ˌæk rəˈmoʊ ni əs /

adjective

  1. caustic, stinging, or bitter in nature, speech, behavior, etc..

    an acrimonious answer; an acrimonious dispute.


acrimonious British  
/ ˌækrɪˈməʊnɪəs /

adjective

  1. characterized by bitterness or sharpness of manner, speech, temper, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • acrimoniously adverb
  • acrimoniousness noun
  • unacrimonious adjective
  • unacrimoniously adverb
  • unacrimoniousness noun

Etymology

Origin of acrimonious

From the Medieval Latin word ācrimōniōsus, dating back to 1605–15. See acrimony, -ous

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The ending, which I won’t spoil here, has become a lightning rod of controversy that cannot be destroyed, no matter how much acrimonious electricity it attracts.

From Salon • Feb. 23, 2026

When Sarwar and Sir Keir had a brief and acrimonious call at about 1330 on Monday, Sir Keir is said to have responded with a volley of questions.

From BBC • Feb. 10, 2026

The 20-team tournament had been overshadowed by an acrimonious political build-up.

From Barron's • Feb. 10, 2026

His departure from the company became acrimonious, with his lawyer later criticizing how he was treated by Berkshire.

From The Wall Street Journal • Jan. 25, 2026

No fewer than seven weeks of sometimes acrimonious discussion between wizards of all nationalities were devoted to the troublesome question of magical creatures.

From "Fantastic Beasts and Where to Find Them" by J.K. Rowling