the Pentagon

noun

1
: the building in Washington, D.C., that is the headquarters of the U.S. Department of Defense
2
: the leaders of the U.S. military
There was disagreement between the President and the Pentagon over the new military budget.

Examples of the Pentagon 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.
Why the archive matters The launch comes as Americans prepare to mark the 25th anniversary of the attacks that killed 2,977 people at the World Trade Center, the Pentagon and near Shanksville, Pennsylvania. Saman Shafiq, USA Today, 1 Sep. 2026 The Army secretary’s departure will help Defense Secretary Pete Hegseth consolidate power at the Pentagon. Shelby Talcott, semafor.com, 1 Sep. 2026 The son of a special agent at the Pentagon, Thomas quickly evolved from roster mystery to defensive staple. Alec Lewis, New York Times, 31 Aug. 2026 Last year, the Pentagon imposed a strict new press policy that saw nearly all news organizations leave the building rather than sign an agreement to abide by the policy seeking to limit what news organizations could publish. Kevin Breuninger,jeff Cox, CNBC, 31 Aug. 2026 See All Example Sentences for the Pentagon

Browse Nearby Words

Cite this Entry

“The Pentagon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/the%20Pentagon. Accessed 2 Sep. 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