Newspeak
An artificial language designed to constrain thought itself. By steadily shrinking the vocabulary, it renders ideas hostile to the regime literally unthinkable.
Source
1984 George Orwell / 1949
A near future ruled by a totalitarian state. The Party controls even people’s words and memories, watching thought itself in the name of Big Brother. It follows the small rebellion of Winston, a low-ranking Party member — a founding work of dystopian fiction.