Simple Definition of deflate
: to release air or gas from (something, such as a tire or balloon) and make it smaller
: to lose air or gas from inside
: to make (someone) lose confidence or pride
Full Definition of deflate
1 : to release air or gas from <deflate a tire>
2 : to reduce in size, importance, or effectiveness <deflate his ego with cutting remarks>
3 : to reduce (a price level) or cause (a volume of credit) to contract
: to lose firmness through or as if through the escape of contained gas
Examples of deflate
The birthday balloons deflated after a few days.
The harsh criticism left him utterly deflated.
an insult that would deflate their egos
He has worked to deflate popular myths about investing.
Deflated prices mean that farmers are getting less for their products.
Origin of deflate
de- + -flate (as in inflate)
First Known Use: 1891
Synonym Discussion of deflate
Rhymes with deflate
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