civil war

noun

plural civil wars
: a war between opposing groups of citizens of the same country
a country on the brink of (a) civil war
often used in the capitalized names of specific wars
the Spanish Civil War
(American/U.S.) Civil War monuments

Note: The American Civil War, fought 1861–1865 between the United States and 11 southern states that had seceded from it, is also commonly known as the U.S. Civil War, or especially in the U.S. as the War Between the States or simply the Civil War.

Examples of civil war in a Sentence

a region that has had many civil wars The country is on the brink of civil war.
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.
What to know about the complex, long-simmering civil war Dearlove served as Britain's top spy between 1999 and 2004, when Tony Blair was prime minister. Kim Hjelmgaard, USA Today, 14 Apr. 2025 Texas Republicans are bracing for an explosive Senate primary next year in the latest chapter of an ongoing civil war that has divided the state party. Julia Manchester, The Hill, 12 Apr. 2025 At least 3,550 people died and nearly 5,000 others were injured when the earthquake hit the impoverished Southeast Asian nation – which has already endured years of civil war since a military coup in 2021, leaving nearly 20 million people in need of aid. Rebecca Wright, CNN Money, 10 Apr. 2025 One fan who appears in the clip recalled finding solace in Metallica’s music while growing up in civil war. Larisha Paul, Rolling Stone, 9 Apr. 2025 See All Example Sentences for civil war

Word History

First Known Use

circa 1533, in the meaning defined above

Time Traveler
The first known use of civil war was circa 1533

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Cite this Entry

“Civil war.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/civil%20war. Accessed 19 Apr. 2025.

Kids Definition

civil war

noun
: a war between opposing groups of citizens of the same country or nation
Last Updated: - Updated example sentences
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