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 inflates

Contemporary Examples of inflates

  • “It inflates the ego,” which in turn opens up endless opportunity for slights both real and perceived.

    The Daily Beast logo
    John Boehner’s Holiday Party Snub

    Michelle Cottle

    December 5, 2012

  • Also, Kentucky implemented monthly NICS checks on concealed weapons, which inflates its numbers.

  • When Beijing pays for those dollars with renminbi, it inflates its own money supply.

    The Daily Beast logo
    Showdown in Seoul

    Gordon G. Chang

    November 10, 2010

  • This is what inflates our Wonder Bread, giant soft pretzels, and those melon-sized bagels.

    The Daily Beast logo
    The New Star Diet Craze

    Gina Piccalo

    August 1, 2010

Historical Examples of inflates

  • Inflates his chest, puts his hand in his bosom, and strikes an attitude.

  • Takes attitude by door, puts his hand in his breast, and inflates himself.

  • As one inflates an air-cushion, I am now with my person inflating the crocodile.

    Short Stories

    Fiodor Dostoievski

  • Inflates land values so that farming doesn't pay with the already heavy building charges for the dam.

    Still Jim

    Honor Willsie Morrow

  • You may be sure April has really come when this little amphibian creeps out of the mud and inflates its throat.

    A Year in the Fields

    John Burroughs

British Dictionary definitions for inflates



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 inflates



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