acrimonious

adjective

ac·​ri·​mo·​ni·​ous ˌa-krə-ˈmō-nē-əs How to pronounce acrimonious (audio)
Synonyms of acrimonious
: angry and bitter : caustic, biting, or rancorous especially in feeling, language, or manner
an acrimonious dispute
acrimoniously adverb
acrimoniousness noun

Examples of acrimonious in a Sentence

Each man came out of their acrimonious 200-meter showdown on July 23 with an injured hamstring and a decidedly negative vibe. Tim Layden, Sports Illustrated, 11 Sept. 2000
My May 19, 1967, memorandum to the president unleashed a storm of controversy.  … It led to tense and acrimonious Senate hearings that pitted me against the Joint Chiefs of Staff and generated rumors they intended to resign en masse. Robert McNamara, In Retrospect, 1995
But considering the momentousness of the issue, the original Darwinian debate was far less acrimonious than might have been expected … Gertrude Himmelfarb, American Scholar, Autumn 1981
We could tell, however, when debate became more acrimonious than professional, but this was from watching lawyers other than our father. Harper Lee, To Kill a Mockingbird, 1960
He went through an acrimonious divorce. an acrimonious parting between the two former friends
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The acrimonious strike has independent experts questioning the health of a decades-old partnership between Kaiser management and its workers, with impacts that could spill beyond individual contract negotiations. Grant Stringer, Mercury News, 10 June 2026 The owner, Kenneth Howell has been locked in an acrimonious battle with the city of Boise for years, after Boise staff raised concerns over temporary shoring posts bowing under the building’s weight and a crumbling facade, among other safety issues staff highlighted. Darin Oswald, Idaho Statesman, 3 June 2026 The White House didn’t comment on the acrimonious tone of the call, which was reported by Axios. Kevin Liptak, CNN Money, 2 June 2026 Musk left OpenAI in 2018 after an acrimonious power struggle with Altman and other OpenAI leaders. Jared Perlo, NBC news, 1 June 2026 See All Example Sentences for acrimonious

Word History

Etymology

acrimony + -ous

First Known Use

1651, in the meaning defined above

Time Traveler
The first known use of acrimonious was in 1651

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Cite this Entry

“Acrimonious.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acrimonious. Accessed 20 Jun. 2026.

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