theater of war

noun phrase

: the entire land, sea, and air area that is or may become involved directly in war operations compare theater of operations

Examples of theater of war in a Sentence

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 same story plays out in every theater of war because there is virtually no place where humans live in complete isolation from other species. The Los Angeles Times, Mercury News, 18 June 2026 Defense Minister Israel Katz said Monday morning that the Israel Defense Forces would not withdraw from the multiple theaters of war where it is deployed. Matt Bradley, NBC news, 15 June 2026 Their loved ones are deployed to the theater of war. Kathy Roth-Douquet, Time, 20 Mar. 2026 The administration seems to have a great appetite for describing the theater of war in the moment: leaders killed, warships sunk, airspace conquered— Hegseth: Death and destruction from the sky, all day long. Hanna Rosin, The Atlantic, 5 Mar. 2026 We have been reduced, quite literally, to staging theaters of war. Washington Post, 27 Jan. 2026 According to Tennessee state archives, more than 315,501 Tennesseans went on to serve in various theaters of war in WWII. Angele Latham, Nashville Tennessean, 7 Dec. 2025 This assignment was a significant turning point in his career, providing him with the opportunity to command a major army in a crucial theater of war. W.e. Gutman, Sun Sentinel, 8 July 2025 Especially if that command is given outside the theater of war, with no imminent danger to personnel, and even more so when present on the streets of an American city where the people those soldiers swore to defend are petitioning the actions of their government. Dan Tully, Chicago Tribune, 23 June 2025

Word History

First Known Use

1647, in the meaning defined above

Time Traveler
The first known use of theater of war was in 1647

Browse Nearby Words

Cite this Entry

“Theater of war.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/theater%20of%20war. Accessed 23 Jun. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster