Orwellism
/ˈɔːwɛlɪz(ə)m/noun
Something characteristic or reminiscent of the totalitarian social and political organization portrayed in Orwell's Nineteen Eighty-four (1949); specifically an ambiguous, euphemistic, or misleadingly used word or phrase used in official pronouncements, political propaganda, etc.
Origin
1970s; earliest use found in The Guardian. From the name of George Orwell + -ism.