verb

deflate

to let air out, to puncture, to reduce confidence, to cause deflation

He deflated the tyres on his bike.

He deflated the tires on his bike.

The criticism completely deflated his confidence.

The criticism completely deflated his confidence.

The government tried to deflate the economy.

The government tried to deflate the economy.

to deflate ((sth.)) to let the air out of (sth.) He had to deflate the tire to repair it.

Synonyms: shrink, reduce, puncture; Antonyms: inflate, expand

From 'de-' (down, away) + 'inflate' (to blow into). Literally 'to un-blow' or let the air out.

Imagine the air 'de'-parting from a balloon, causing it to become flat.

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