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, Union of Soviet Socialist Republics, USSR
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). Soviet Union. Retrieved September 20, 2026, from http://smartdefine.org/soviet_union/definitions/1225781 |
| Chicago | WordNet. 2010. "Soviet Union" http://smartdefine.org/soviet_union/definitions/1225781 (accessed September 20, 2026). |
| Harvard | WordNet 2010, Soviet Union, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/soviet_union/definitions/1225781>. |
| MLA | WordNet. "Soviet Union" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/soviet_union/definitions/1225781> |