deflating
adjectiveUK /dɪˈfleɪtɪŋ/
US /dɪˈfleɪtɪŋ/
Making something lose its air or become smaller.
The deflating balloon slowly shrank to the floor.
OTHER MEANINGS
2. Making someone feel less confident or important.
His rude comment was deflating for the whole team.
3. Reducing the general level of prices in an economy.
The deflating economy meant things cost less but jobs were scarce.
4. Letting air out of something on purpose.
She was deflating the air mattress after the guests left.