/un"perr"seuhn/ , n.
1. a public figure, esp. in a totalitarian country, who, for political or ideological reasons, is not recognized or mentioned in government publications or records or in the news media.
2. a person accorded no recognition or consideration by another or by a specific group.
[ UN- 1 + PERSON; introduced in George Orwell's novel 1984 (1949) ]