Definition of Octagon

  • (n.) A plane figure of eight sides and eight angles.
  • (n.) Any structure (as a fortification) or place with eight sides or angles.

Synonyms of Octagon


No Antonyms Found.

Antonyms of Octagon


No Antonyms Found.

Homophones of Octagon


No Antonyms Found.



Common English words

A list of the most frequently used words in the English languge.

Longest English Words

Longest words in the Oxford Dictionary.