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

Keep scrolling for more

Other Words from deflate

deflator or less commonly deflater \ di-​ˈflā-​tər How to pronounce deflater (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.
See More
Recent Examples on the Web At their best, the A’s deflate their opposition in a variety of ways. Shayna Rubin, The Mercury News, "‘We’re in this to win the World Series’: After sweeping the Yankees, the Athletics are thinking bigger than wild card," 22 Aug. 2019 For much of the year, Pelosi has taken on the task of slowly letting the air out of the impeachment balloon without overly deflating her party’s activist base. Los Angeles Times, "Impeachment, always a longshot, fades in wake of Mueller hearing," 26 July 2019 Even the image of an oil tanker in flames wasn’t enough to shake negative market sentiment about the prospect of a U.S.-China trade war deflating demand by hobbling global growth. NBC News, "Tankers on fire may not lead to lower gas prices — but a continued trade war will," 14 June 2019 That includes incidents both minor and major—from illegally videotaping opposing coaches’ signals in 2007 to charges of deflating the air from footballs before the AFC championship game in 2016. Conor Orr,, "How Will The Patriots Dynasty End?," 5 Jan. 2018 Anfernee Jennings’ forced fumble on the following drive deflated the crowd even more with 10 Tide points sandwiching that moment. Michael Casagrande |, al, " instant analysis: How Alabama finished off South Carolina on wild day," 14 Sep. 2019 The cancellation is bad news for dozens of local workers who had been hired to inflate and deflate the structure, along with security guards, vendors and trash collectors. Steve Rubenstein,, "Bounce house bounces out of Oakland — too much goose poop," 6 Sep. 2019 Each location will include two to four sculptures, Clements says, and will be deflated every night and re-inflated in the morning. Phillip Valys,, "Giant Inflatable rainbows, yellow submarines, peace signs balloon across South Florida," 30 Aug. 2019 Canha did deliver a game-tying home run, but more competitive at-bats early on deflated into slight dilapidation against a not-so-great team. Shayna Rubin, The Mercury News, "Matt Chapman avoids concussion protocol, but his presence was sorely missed in Athletics’ loss to Royals," 28 Aug. 2019

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.

See More

First Known Use of deflate

1891, in the meaning defined at transitive sense 1

History and Etymology for deflate

de- + -flate (as in inflate)

Keep scrolling for more

Learn More about deflate

Statistics for deflate

Last Updated

3 Nov 2019

Time Traveler for deflate

The first known use of deflate was in 1891

See more words from the same year

Keep scrolling for more

More Definitions for deflate


How to pronounce deflate (audio) How to pronounce deflate (audio)

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.

Keep scrolling for more

More from Merriam-Webster on deflate

Thesaurus: All synonyms and antonyms for deflate

Rhyming Dictionary: Words that rhyme with deflate

Spanish Central: Translation of deflate

Nglish: Translation of deflate for Spanish Speakers

Britannica English: Translation of deflate for Arabic Speakers

Comments on deflate

What made you want to look up deflate? Please tell us where you read or heard it (including the quote, if possible).


a calculated move

Get Word of the Day daily email!

Test Your Vocabulary

Confusing Words—A Quiz

  • alice with tweedle dee and tweedle dum
  • I invented a brand new toaster robot and ______ it "Sir Toasts-a-Lot."
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!