deflate
verbUK /dɪˈfleɪt/
US /dɪˈfleɪt/
To let the air out of something so it gets smaller.
He deflated the balloon after the party.
OTHER MEANINGS
2. To make someone feel less confident or proud.
Her harsh words deflated his confidence.
3. To reduce the value of money or prices in an economy.
The government tried to deflate the rising prices.
4. To become smaller by losing air or gas.
The beach ball began to deflate in the sun.