as in bloody
formal
marked by usually mutual slaughter or destruction
a brutal internecine war/battle internecine feuds a political party that has suffered because of bitter internecine rivalries
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Recent Examples of internecine
So the internecine Camellia sinensis battle begins.
—
Scott Hocker, TheWeek, 20 Feb. 2026
The funds who spurned their peers generated returns of around 90%, by one measure, demonstrating the payoff from waging such internecine battles.
—Bloomberg, Mercury News, 29 Dec. 2025
Just a few months later, at Turning Point’s AmericaFest gathering in Phoenix, that unity collapsed into an internecine feud between rival factions vying to define Kirk’s legacy and steer the future of right-wing politics.
—Aidan McLaughlin, Vanity Fair, 22 Dec. 2025
The old divisions between Catholic and Protestant communities fuel ongoing gang wars and internecine neighborhood violence, and crime families with ancient roots cause mayhem in the scuffle for territory and dominance.
—Kathryn Vanarendonk, Vulture, 27 Nov. 2025
See All Example Sentences for internecine
Scott Hocker, TheWeek, 20 Feb. 2026
The funds who spurned their peers generated returns of around 90%, by one measure, demonstrating the payoff from waging such internecine battles.
—Bloomberg, Mercury News, 29 Dec. 2025
Just a few months later, at Turning Point’s AmericaFest gathering in Phoenix, that unity collapsed into an internecine feud between rival factions vying to define Kirk’s legacy and steer the future of right-wing politics.
—Aidan McLaughlin, Vanity Fair, 22 Dec. 2025
The old divisions between Catholic and Protestant communities fuel ongoing gang wars and internecine neighborhood violence, and crime families with ancient roots cause mayhem in the scuffle for territory and dominance.
—Kathryn Vanarendonk, Vulture, 27 Nov. 2025
See All Example Sentences for internecine
Recent Examples of Synonyms for internecine
Adjective
-
Israel waged a bloody fight to capture the castle in 1982, ousting Yasser Arafat's Palestine Liberation Organization (PLO).—
Greg Myre,
NPR,
31 May 2026
-
In the end, El Grande Americano defeated Original El Grande Americano in a bloody contest.—
Ryan Gaydos,
FOXNews.com,
31 May 2026
Adjective
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This despite its violent, heroic left-leaning revolutionaries and a cabal of right-wing racists with unapologetically murderous intentions.—
Stephen Schaefer,
Boston Herald,
2 June 2026
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Except… there’s no indication Martin is repenting for his murderous vigilante rampage.—
Ben Travers,
IndieWire,
1 June 2026
Adjective
-
Kyiv, Ukraine — Russia launched a large-scale deadly attack on the Ukrainian capital Kyiv early Tuesday, damaging residential buildings, authorities said, as part of a broad offensive on targets across Ukraine.—
Helen Regan,
CNN Money,
2 June 2026
-
High levels of rotavirus, a potentially deadly virus, have been detected in wastewater in the Boise area, testing shows.—
Hali Smith
June 1,
Idaho Statesman,
1 June 2026
Cite this Entry
“Internecine.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/internecine. Accessed 6 Jun. 2026.
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