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From Latin īnflātus, from the verb īnflō.


  • (UK, US) enPR: ĭn-flāt', IPA(key): /ɪnˈfleɪt/
  • (file)
  • Rhymes: -eɪt
Girl inflating a red balloon by blowing into it.


inflate (third-person singular simple present inflates, present participle inflating, simple past and past participle inflated)

  1. (transitive) To enlarge an object by pushing air (or a gas) into it; to raise or expand abnormally
    You inflate a balloon by blowing air into it.
    • 1782, John Scott of Amwell, An Essay on Painting
      When passion's tumults in the bosom rise, / Inflate the features, and enrage the eyes.
  2. (intransitive) To enlarge by filling with air (or a gas).
    The balloon will inflate if you blow into it.
  3. (figuratively) To swell; to puff up.
    to inflate somebody with pride or vanity
  4. (transitive, computing) To decompress (data) that was previously deflated.


Derived terms[edit]

Related terms[edit]


The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout § Translations.




  1. vocative masculine singular of īnflātus


īnflātē (comparative īnflātius, superlative īnflātissimē)

  1. haughtily, proudly, pompously


  • inflate in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • inflate in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • inflate in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
  • inflate in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette