deflate
[verb]
Synonyms:
- collapse, empty, exhaust, flatten, puncture, shrink
- humiliate, chasten, disconcert, dispirit, humble, mortify, put down (slang), squash
- reduce, depress, devalue, diminish

[TahlilGaran] English Synonym Dictionary ▲

de‧flate /ˌdiːˈfleɪt, dɪ-/ verb
[Word Family: adjective: inflatable, inflated, inflationary, deflationary, reflationary; noun: inflation, inflatable, deflation, reflation; verb: inflate, deflate, reflate]
[Date: 1800-1900; Origin: de- + inflate]

1. [intransitive and transitive] if a tyre, balloon etc deflates, or if you deflate it, it gets smaller because the gas inside it comes out Antonym : inflate ⇒ go down, let down

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In everyday British English, people usually say an object goes down rather than deflates:
It looks like the air bed has gone down.

2. [transitive] to make someone feel less important or less confident:
She was deflated when Fen made no comment on her achievement.

3. [transitive] to show that a statement, argument etc is wrong:
Simkin hoped to find a way to deflate his opponent’s argument.

4. [intransitive and transitive] technical to change economic rules or conditions in a country so that prices fall or stop rising

[TahlilGaran] Dictionary of Contemporary English ▲