1. (geology) the erosion of soil as a consequence of sand and dust and loose rocks being removed by the wind

- a constant deflation of the desert landscape

Definition categories: process, eroding, erosion, wearing

2. a contraction of economic activity resulting in a decline of prices

Definition categories: process

3. the act of letting the air out of something

Definition categories: act, decrease, diminution, reduction

Sentences with deflation as a noun:

- The loss caused utter deflation and disappointment among the fans.