intransitive verb-·flat′ed, -·flat′ing
- to collapse by letting out air or gas: to deflate a tire
- to make or become smaller or less important
- to cause deflation of (currency, prices, etc.)
Origin of deflatede- + (in)flate
verbde·flat·ed, de·flat·ing, de·flates
- a. To release contained air or gas from.b. To collapse by releasing contained air or gas.
- To reduce or lessen the size or importance of: Losing the contest deflated my ego.
- Economics a. To reduce the amount or availability of (currency or credit), effecting a decline in prices.b. To produce deflation in (an economy).
To be or become deflated: The balloon deflated slowly.
Origin of deflatede- (in)flate
(third-person singular simple present deflates, present participle deflating, simple past and past participle deflated)