Synonyms for

Pentagon

Verb / ˈpentɪˌgɑ:n / / ˈpenɪˌgɑ:n / Another word for pentagon — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

a flat shape with five straight sides and five angles

Synonyms & similar words

pentagon five-gon

Synonyms by register

Formal

five-sided polygon pentagonal figure

Antonyms

circle triangle square hexagon octagon sphere cube

Common collocations

  • regular pentagon
  • irregular pentagon
  • golden pentagon
  • pentagon shape
  • pentagon building
  • pentagon papers
  • pentagon city

Word family

noun pentagon
adjective pentagonal

Usage note

The word 'pentagon' most commonly refers to a five-sided polygon in geometry, but it is also famously used to refer to the headquarters of the United States Department of Defense.

Example sentences

  1. The American flag has a blue pentagon with white stars.
  2. I drew a pentagon in math class today.
  3. The building has a pentagon-shaped roof.
  4. The stop sign is shaped like a pentagon.
  5. The playground has a pentagon-shaped sandbox.

Quotes

  • The Pentagon is the United States Department of Defense headquarters.
  • The building was shaped like a pentagon, with five wings stretching out from a central atrium.
  • The five-pointed star, or pentagram, has been used in many cultures throughout history.

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