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
deflaterplay \-ˈflā-tər\ noun
Examples of deflate in a sentence
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 and Etymology of deflate
de- + -flate (as in inflate)
First Known Use: 1891
Synonym Discussion of deflate
DEFLATE Defined for English Language Learners
Definition of deflate for English Language Learners
: 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
DEFLATE Defined for Kids
Definition of deflate for Students
1 : to let the air or gas out of something that has been blown up
2 : to reduce in size or importance <The criticism deflated her confidence.>
Seen and Heard
What made you want to look up deflate? Please tell us where you read or heard it (including the quote, if possible).