Definition of "unperson"

In accordance with the change in the party line, Stalin vanished from the play, disappearing even before Mr. Krushchev's denunciation at the 20th Congress of the Communist Party. Stalin became an “unperson,” in the terminology of George Orwell's “1984”.

1965 February 25, Harrison E. Salisbury, “Kremlin Chimes' Banished Stalin”, in The New York Times‎

Though Gao is classed as an unperson in China, which did not react officially yesterday, the award was forecast to cause widespread private joy there as the literary equivalent of the country winning the World Cup.

2000 October 13, John Ezard, Danny Gittings, “Nobel award amazes Chinese writer and literary world”, in The Guardian