verb (used with object), in·flat·ed, in·flat·ing.

verb (used without object), in·flat·ed, in·flat·ing.

to become inflated.
to increase, especially suddenly and substantially: The $10 subscription has inflated to $25.

Origin of inflate

1470–80; < Latin inflātus past participle of inflāre to blow on or into, puff out, equivalent to in- in-2 + flā- blow2 + -tus past participle suffix
Related formsin·flat·er, in·fla·tor, nouno·ver·in·flate, verb (used with object), o·ver·in·flat·ed, o·ver·in·flat··in·flate, verb, re·in·flat·ed, re·in·flat·ing.

Synonyms for inflate

1. See expand.

Antonyms for inflate Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for inflate

Contemporary Examples of inflate

Historical Examples of inflate

  • To belly a sail is to inflate or fill it with the wind, so as to give a taut leech.

    The Sailor's Word-Book

    William Henry Smyth

  • "Launch and inflate another target-globe," he ordered drily.

    Talents, Incorporated

    William Fitzgerald Jenkins

  • Joe took a little longer than usual to inflate his lungs this time.

  • Why inflate what is unimportant, and waste description on silly things?

    Bouvard and Pcuchet

    Gustave Flaubert

  • Only their bubbs were intact, but there was nothing with which to inflate them.

    The Planet Strappers

    Raymond Zinke Gallun

British Dictionary definitions for inflate



to expand or cause to expand by filling with gas or airshe needed to inflate the tyres
(tr) to cause to increase excessively; puff up; swellto inflate one's opinion of oneself
(tr) to cause inflation of (prices, money, etc)
(tr) to raise in spirits; elate
(intr) to undergo economic inflation
Derived Formsinflatedly, adverbinflatedness, nouninflater or inflator, noun

Word Origin for inflate

C16: from Latin inflāre to blow into, from flāre to blow
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

Word Origin and History for inflate

early 15c., "cause to swell," from Latin inflatus, past participle of inflare "to blow into, inflate" (see inflation). Economics sense from 1844. In some senses a back-formation from inflation. Related: Inflatable; inflated; inflating.

Online Etymology Dictionary, © 2010 Douglas Harper