deflationist

noun
de·​fla·​tion·​ist | \ -sh(ə)nə̇st\
plural -s

Definition of deflationist

 (Entry 1 of 2)

: an advocate of deflation

deflationist

adjective
\ "\

Definition of deflationist (Entry 2 of 2)

: tending to deflate : favoring deflation : deflationary