Definition of Expiration

  • (n.) The act of expiring
  • (n.) The act or process of breathing out, or forcing air from the lungs through the nose or mouth; as, respiration consists of inspiration and expiration; -- opposed to inspiration.
  • (n.) Emission of volatile matter; exhalation.
  • (n.) The last emission of breath; death.
  • (n.) A coming to a close; cessation; extinction; termination; end.
  • (n.) That which is expired; matter breathed forth; that which is produced by breathing out, as a sound.

Synonyms of Expiration


No Antonyms Found.

Antonyms of Expiration


No Antonyms Found.

Homophones of Expiration


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.