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

Such events are paid for by the Pentagon's annual budget. —Ryan Morik, FOXNews.com, 7 Nov. 2025

With nearly 100,000 active-duty military members, Virginia Beach has the largest concentration of military personnel outside the Pentagon. —Giulia Carbonaro, MSNBC Newsweek, 6 Nov. 2025

Phoning through the top ranks of the government—leaders at the Pentagon and Department of Justice, Vice President Mike Pence, the Virginia Governor’s office—Pelosi marshaled all corners of Washington to get things back under control. —Philip Elliott, Time, 6 Nov. 2025

In 1989, Cheney became defense secretary under the first President Bush and led the Pentagon during the 1990-91 Persian Gulf War that drove Iraq’s troops from Kuwait. —Calvin Woodward, Fortune, 4 Nov. 2025

Rhymes for the Pentagon

• agamemnon
• automaton
• diencephalon
• panopticon
• phenomenon
• aileron
• antiphon
• autobahn
• carillon
• castellan
• celadon
• cephalon