de·​flate | \ di-ˈflāt How to pronounce deflate (audio) , ˌdē- How to pronounce deflate (audio) \
deflated; deflating

Definition of deflate

transitive verb

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

intransitive verb

: to lose firmness through or as if through the escape of contained gas

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Other Words from deflate

deflator or less commonly deflater \ di-​ˈflā-​tər How to pronounce deflate (audio) , ˌdē-​ \ noun

Choose the Right Synonym for deflate

contract, shrink, condense, compress, constrict, deflate mean to decrease in bulk or volume. contract applies to a drawing together of surfaces or particles or a reduction of area or length. caused her muscles to contract shrink implies a contracting or a loss of material and stresses a falling short of original dimensions. the sweater will shrink when washed condense implies a reducing of something homogeneous to greater compactness without significant loss of content. condense the essay into a paragraph compress implies a pressing into a small compass and definite shape usually against resistance. compressed cotton into bales constrict implies a tightening that reduces diameter. the throat is constricted by a tight collar deflate implies a contracting by reducing the internal pressure of contained air or gas. deflate the balloon

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.
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Recent Examples on the Web Simply deflate it, fold it, and put it away each morning. Jillian Mueller, Better Homes & Gardens, "The 8 Best RV Mattresses to Help You Stay Well-Rested on the Road," 22 Mar. 2021 Anything that smacks of a trajectory preordained and success effortlessly attained can deflate instead of inspire, playing into girls’ worst flawed thinking patterns. New York Times, "Imperfect Girls Make Perfect Role Models," 23 Feb. 2021 The coach Steve Pikiell decided to deflate the ball in the last, what, four minutes? Paul Daugherty, The Enquirer, "Doc's Morning Line: Ever get the feeling there's something going on we don't know about?," 23 Mar. 2021 As the vehicle’s tires began to deflate, the driver was unable to navigate the roundabout in the 10600 block of West Forest Home Avenue, leaving the roadway and coming to a stop on the property of Emanuel Church, 10627 W. Forest Home Ave. Bob Dohr, Milwaukee Journal Sentinel, "A Milwaukee man was arrested after leading Greenfield cops on a chase, driving against traffic for miles, police say," 5 Mar. 2021 French actors stage a hoax to deflate the ego of the famed 18th-century British actor. Los Angeles Times, "Movies on TV this week: ‘Lust for Life’; ‘Platoon’ and more," 5 Mar. 2021 Experts say huge premium increases could deflate home values in some communities. USA Today, "Flood-prone homeowners could see major rate hikes in FEMA flood insurance changes, new study finds," 21 Feb. 2021 When you’re done, simply set the mattress to deflate. Korin Miller, Forbes, "8 Durable Air Mattresses That Won’t Deflate On You While You’re Sleeping," 12 Mar. 2021 Interest rates are seen as a key factor helping to inflate—and now deflate—the stock boom. John Detrixhe, Quartz, "Welcome to the microbubble economy," 9 Mar. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'deflate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of deflate

1891, in the meaning defined at transitive sense 1

History and Etymology for deflate

de- + -flate (as in inflate)

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Learn More about deflate

Time Traveler for deflate

Time Traveler

The first known use of deflate was in 1891

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Statistics for deflate

Last Updated

11 Apr 2021

Cite this Entry

“Deflate.” Dictionary, Merriam-Webster, Accessed 14 Apr. 2021.

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More Definitions for deflate



English Language Learners 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


de·​flate | \ di-ˈflāt How to pronounce deflate (audio) \
deflated; deflating

Kids Definition of deflate

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.

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Comments on deflate

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