pentagon
a polygon having five angles and five sides.
the Pentagon,
a building in Arlington, Virginia, having a plan in the form of a regular pentagon, containing most U.S. Defense Department offices.
the U.S. Department of Defense; the U.S. military establishment.
Origin of pentagon
1Other words from pentagon
- pen·tag·o·nal [pen-tag-uh-nl], /pɛnˈtæg ə nl/, adjective
- pen·tag·o·nal·ly, adverb
- sub·pen·tag·o·nal, adjective
Words Nearby pentagon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use pentagon in a sentence
pentagon leaders agree to a person that the U.S. war against ISIS is succeeding.
Pentagon Doesn’t Know How Many People It’s Killed in the ISIS War | Nancy A. Youssef | January 7, 2015 | THE DAILY BEAST“I think it is important to say it is too soon to judge success or failure,” said Col. Steven Warren, a pentagon spokesman.
Pentagon Doesn’t Know How Many People It’s Killed in the ISIS War | Nancy A. Youssef | January 7, 2015 | THE DAILY BEASTGranted, James is in an office in the pentagon, and not on the front lines.
Pentagon Doesn’t Know How Many People It’s Killed in the ISIS War | Nancy A. Youssef | January 7, 2015 | THE DAILY BEASTThe pentagon said Faal served in the Air Force for seven years, during which time he became a U.S. citizen.
The Shadowy U.S. Veteran Who Tried to Overthrow a Country | Jacob Siegel | January 6, 2015 | THE DAILY BEASTBut the program is just six weeks long, the pentagon admitted Monday.
Pentagon Insider on New Plan to Fight ISIS: ‘Of Course It’s Not Enough’ | Nancy A. Youssef | January 6, 2015 | THE DAILY BEAST
Apparently he got his communication from the pentagon about the time I got mine.
Sense from Thought Divide | Mark Irvin CliftonThey circled the pentagon with hundreds of protestors and said a magic spell that was supposed to levitate it.
Little Brother | Cory DoctorowThe trick was to come up with something with the media friendliness of the levitation of the pentagon.
Little Brother | Cory DoctorowMiles went on to say that he had just been conferring with Ahlgren at the pentagon.
Tom Swift and The Visitor from Planet X | Victor AppletonMonroe is a five-bastioned fort of masonry work, and accordingly might be roughly described as a huge pentagon.
The Old First Massachusetts Coast Artillery in War and Peace | Frederick Morse Cutler
British Dictionary definitions for pentagon (1 of 2)
/ (ˈpɛntəˌɡɒn) /
a polygon having five sides
Derived forms of pentagon
- pentagonal (pɛnˈtæɡənəl), adjective
British Dictionary definitions for Pentagon (2 of 2)
/ (ˈpɛntəˌɡɒn) /
the five-sided building in Arlington, Virginia, that houses the headquarters of the US Department of Defense
the military leadership of the US
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for pentagon
[ pĕn′tə-gŏn′ ]
A polygon having five sides.
Other words from pentagon
- pentagonal adjective (pĕn-tăg′ə-nəl)
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for pentagon (1 of 2)
A polygon having five sides.
Notes for pentagon
An immense five-sided building in Virginia, just outside Washington, D.C., that serves as headquarters for the Department of Defense.
Notes for Pentagon
Notes for Pentagon
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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