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
(Noun)
Synonyms:
  1. russia
  2. ussr
  3. union-of-soviet-socialist-republics
  4. CCCP (Russian)
  5. Soviet Russia
  6. Iron Curtain country

Words near Soviet-union in the Thesaurus