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inflate

[in-fleyt] /ɪnˈfleɪt/
verb (used with object), inflated, inflating.
1.
to distend; swell or puff out; dilate:
The king cobra inflates its hood.
2.
to cause to expand or distend with air or gas:
to inflate a balloon.
3.
to puff up with pride, satisfaction, etc.
4.
to elate.
5.
Economics. to expand (money, prices, an economy, etc.) unduly in amount, value, or size; affect with inflation.
verb (used without object), inflated, inflating.
6.
to become inflated.
7.
to increase, especially suddenly and substantially:
The $10 subscription has inflated to $25.
Origin
1470-1480
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 forms
inflater, inflator, noun
overinflate, verb (used with object), overinflated, overinflating.
reinflate, verb, reinflated, reinflating.
Synonyms
1. See expand.
Antonyms
1. deflate.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for overinflate

inflate

/ɪnˈfleɪt/
verb
1.
to expand or cause to expand by filling with gas or air: she needed to inflate the tyres
2.
(transitive) to cause to increase excessively; puff up; swell: to inflate one's opinion of oneself
3.
(transitive) to cause inflation of (prices, money, etc)
4.
(transitive) to raise in spirits; elate
5.
(intransitive) to undergo economic inflation
Derived Forms
inflatedly, adverb
inflatedness, noun
inflater, inflator, noun
Word Origin
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
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Word Origin and History for overinflate

inflate

v.

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
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