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deflate

B1
Uncommon

Pronunciation

UK

  • /diːflˈeɪt/

US

  • /dɪˈfleɪt/

Meanings

Verb

  1. to let air or gas out of something so it becomes soft or collapses

  2. to make someone feel less confident, proud, or enthusiastic

  3. to reduce a price, amount, or measured value, especially by adjusting for inflation

Beyond the definition

Imagine a bouncy castle slowly losing its air—that's what it means to deflate! It can describe something physically losing pressure, like a tire, or something more abstract, like someone's enthusiasm. If harsh criticism deflates your confidence, it makes you feel less hopeful and energetic.

Deflate can imply a sharp loss of spirit or importance. A politician's grand promises might deflate when faced with the cold reality of a budget. It can also mean to lessen the impact of something—for instance, trying to deflate a tense situation with humor. Think of letting the air out of an argument to make it less intense.

Examples

  1. 1

    Balloon

    The balloon slowly deflated overnight.

  2. 2

    Air mattress

    We need to deflate the air mattress before we pack it away.

  3. 3

    Confidence

    One rude comment was enough to deflate his confidence.

  4. 4

    Excitement

    The late cancellation deflated everyone's excitement about the trip.

More examples
  1. 5

    Feeling disappointed

    After I failed the interview, I felt completely deflated.

    • Phrasefeel deflated

      feel suddenly disappointed and low

  2. 6

    Rumors

    The company quickly issued a statement to deflate rumors about layoffs.

    • Phrasedeflate rumors

      make them weaker or less believable

See also

Similar

  • let out air
  • let down
  • depressurize

Shades of meaning

Contrast

Used with (collocations)

  • deflate a balloon
  • deflate a tire
  • slowly deflate

Word family

Explore

Forms and spellings

4 forms open this card.

Main spelling

  • deflateverb

Forms

  • deflatedpast tenseverb
  • deflating-ing formverb
  • deflatesverb