de·​flate | \di-ˈflāt, ˌdē- \
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 \ -​ˈflā-​tər \ 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

But for whatever reason, this speculation balloon deflated quickly, and Winfrey has done nothing that indicates interest. Richard Skinner, Vox, "Is Trump making celebrity candidates less likely?," 26 Oct. 2018 Military vehicles often have modes to decrease tire pressure to get more grip, and one of these modes deflates them for transport. Joe Pappalardo, Popular Mechanics, "The C-130J Super Hercules Is Ready for the Worst," 9 Oct. 2018 Facebook has come under fire from other sources, as conservative politicians have repeatedly accused the company of censoring or artificially deflating traffic to conservative pages, although those claims are often tenuous. Adi Robertson, The Verge, "Trump keeps threatening tech companies, but he’s terrible at following through," 29 Aug. 2018 Now that Brexit, a project whose main architects are fueled by imperial nostalgia, is poised to further deflate it, Ms. Baker’s book seems all the more valuable. Neel Mukherjee, WSJ, "‘The Last Englishmen’ Review: India, Everest and Empire," 23 Aug. 2018 Have the bodybuilders and muscle heads deflated themselves and retreated? Brooke Bobb, Vogue, "Pull Up or Shut Up! This New Label Is Inspired by 1980s Bodybuilders," 13 July 2018 Here on the island, many feel deflated by so much promise with so little impact on their daily lives. Azam Ahmed, New York Times, "Cubans Doubt a Change at the Top Will Bring Change at the Bottom," 21 Apr. 2018 The measure was scaled back – fines were limited to $300, the maximum allowed by city charter – because, councilors said, they were deflated by the state’s failure to act on past petitions. Milton J. Valencia,, "Walsh vetoes city lobbying rules, calling proposal ‘inadequate’," 12 July 2018 Yes, pretty much — hyaluronidase can deflate your fillers like a balloon. Kathleen Hou, The Cut, "How Do You Remove Lip Fillers?," 9 July 2018

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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Statistics for deflate

Last Updated

17 Nov 2018

Look-up Popularity

Time Traveler for deflate

The first known use of deflate was in 1891

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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 \
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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by force of circumstances

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