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.
And virtually all women east of the Appalachians experienced the violence, sickness, and scarcity of a civil war in which front lines and home fronts were never far apart. Jane Kamensky, The Atlantic, 10 Oct. 2025 Today, Venezuela has the largest population of exiles in the Americas and the second largest in the world after Syria — despite not being in a civil war — with more than 8 million people living abroad. Milena Malaver, Miami Herald, 10 Oct. 2025 Hezbollah, a Lebanese Shia Islamist political party and paramilitary group funded by Iran, supported Assad and played a major role in Syria’s civil war. Mireille Rebeiz, The Conversation, 9 Oct. 2025 The words through torture and civil war in June 2002, the decisive stand against the same Ratsiraka who had returned to power from 1996 to 2002 and was vying for yet another term, who would rather cheat in the elections and cause a civil war instead of withdrawing in defeat from the polls. Literary Hub, 9 Oct. 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 15 Oct. 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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