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deflate

[dih-fleyt] /dɪˈfleɪt/
verb (used with object), deflated, deflating.
1.
to release the air or gas from (something inflated, as a balloon):
They deflated the tires slightly to allow the truck to drive under the overpass.
2.
to depress or reduce (a person or a person's ego, hopes, spirits, etc.); puncture; dash:
Her rebuff thoroughly deflated me.
3.
to reduce (currency, prices, etc.) from an inflated condition; to affect with deflation.
verb (used without object), deflated, deflating.
4.
to become deflated.
Origin
1890-1895
1890-95; < Latin dēflātus blown off, away (past participle of dēflāre), equivalent to dē- de- + fl(āre) to blow + -ātus -ate1
Related forms
deflator, noun
self-deflated, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for self deflated

deflate

/dɪˈfleɪt/
verb
1.
to collapse or cause to collapse through the release of gas
2.
(transitive) to take away the self-esteem or conceit from
3.
(economics) to cause deflation of (an economy, the money supply, etc)
Derived Forms
deflator, noun
Word Origin
C19: from de- + (in)flate
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for self deflated

deflate

v.

1891, in reference to balloons, coinage based on inflate. Latin deflare meant "to blow away," but in the modern word the prefix is taken in the sense of "down." Related: Deflated; deflating.

Online Etymology Dictionary, © 2010 Douglas Harper
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