USSR

Definitions of USSR
  1. noun
    a former communist country in eastern Europe and northern Asia; established in 1922; included Russia and 14 other soviet socialist republics (Ukraine and Byelorussia and others); officially dissolved 31 December 1991
    synonyms: Russia, Soviet Union, Union of Soviet Socialist Republics
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    example of:
    country, land, state
    the territory occupied by a nation
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