Newspeak.

A phrase coined by Orwell, who else?

Pronunciation:
\ˈnü-ˌspēk, ˈnyü-\
Function:
noun
Usage:
often capitalized
Etymology:
Newspeak, a language “designed to diminish the range of thought,” in the novel 1984 (1949) by George Orwell

: propagandistic language marked by euphemism, circumlocution, and the inversion of customary meanings