Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “deflate”

deflate

verb     /dɪˈfleɪt/
LOSE AIR [I, T] to let all the air or gas out of something, or to become emptied of air or gas: to deflate a balloon/tyreBecoming and making smaller or lessBecoming and making less strong
CONFIDENCE [T] to make someone lose confidence or feel less important: [often passive] They were totally deflated by losing the match.Making people sad, shocked and upset
(Definition of deflate verb from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “deflate” in other dictionaries

Word of the Day

well in (with)

to have a good relationship with someone in which they like you and from which you get an advantage

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More