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
Dewey Fournet, the Pentagon’s liaison for Project Blue Book, hurried to National Airport’s control tower.
—
Danya Gainor, CNN Money, 28 Dec. 2025
SpaceX is integral to numerous critical missions with both NASA and the Pentagon, including ferrying crew and cargo to the International Space Station, placing satellites in orbit and being key to NASA’s plan to return astronauts to the moon by 2028.
—Ramin Skibba, Scientific American, 26 Dec. 2025
This must be a new kind of threat; a former senior Energy Department official told me the Pentagon and intelligence services, which are normally sensitive to even extremely low-probability risks, never flagged this as a concern previously.
—Tim McDonnell, semafor.com, 23 Dec. 2025
The Defense Department supplied the funding for those, the Pentagon said.
—Mike Snider, USA Today, 23 Dec. 2025
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Danya Gainor, CNN Money, 28 Dec. 2025
SpaceX is integral to numerous critical missions with both NASA and the Pentagon, including ferrying crew and cargo to the International Space Station, placing satellites in orbit and being key to NASA’s plan to return astronauts to the moon by 2028.
—Ramin Skibba, Scientific American, 26 Dec. 2025
This must be a new kind of threat; a former senior Energy Department official told me the Pentagon and intelligence services, which are normally sensitive to even extremely low-probability risks, never flagged this as a concern previously.
—Tim McDonnell, semafor.com, 23 Dec. 2025
The Defense Department supplied the funding for those, the Pentagon said.
—Mike Snider, USA Today, 23 Dec. 2025
See All Example Sentences for the Pentagon
Cite this Entry
“The Pentagon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/the%20Pentagon. Accessed 1 Jan. 2026.
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