[dɪˈfleɪt], (Verb)

Definitions:
- let air or gas out of (a tyre, balloon, or similar object)
(e.g: he deflated one of the tyres)

- make (someone) suddenly lose confidence or feel dispirited
(e.g: his response deflated me)

- bring about a general reduction of price levels in (an economy)
(e.g: the budget deflated the economy)


Phrases:

Origin:
late 19th century: from de- (expressing reversal) + -flate (as in inflate)