deflate implies a contracting by reducing the internal pressure of contained air or gas.

Definition of deflate verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

DEFLATE definition: 1. If something that has air or gas inside it deflates, or is deflated, it becomes smaller because…. Learn more.

DEFLATE definition: to release the air or gas from (something inflated, as a balloon). See examples of deflate used in a sentence.

If you deflate someone or something, you take away their confidence or make them seem less important.

1. to release the air or gas from (something inflated, as a balloon). 2. to depress or reduce (a person or a person's ego, hopes, etc.); puncture; dash. 3. to reduce (currency, prices, etc.) from an inflated …

Feb 2, 2026 · deflate (third-person singular simple present deflates, present participle deflating, simple past and past participle deflated) (transitive) To remove air or some other gas from within an elastic …