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

• soviet union
• union of soviet socialist republics
• ussr

2. (noun) formerly the largest Soviet Socialist Republic in the USSR occupying eastern Europe and northern Asia

• russian soviet federated socialist republic
• soviet russia

3. (noun) a federation in northeastern Europe and northern Asia; formerly Soviet Russia; since 1991 an independent state

• russian federation

1. (noun) formerly the largest Soviet Socialist Republic in the USSR occupying eastern Europe and northern Asia

• cheremis
• cheremiss
• mari
• inger
• ingerman
• ingrian
• komi
• mansi
• vogul
• mordva
• mordvin
• mordvinian
• russian
• veps
• vepse
• vepsian

1. (noun) a federation in northeastern Europe and northern Asia; formerly Soviet Russia; since 1991 an independent state

• cis
• commonwealth of independent states

1. (noun) a former empire in eastern Europe and northern Asia created in the 14th century with Moscow as the capital; powerful in the 17th and 18th centuries under Peter the Great and Catherine the Great when Saint Petersburg was the capital; overthrown by revolution in 1917

• russian

2. (noun) a federation in northeastern Europe and northern Asia; formerly Soviet Russia; since 1991 an independent state

• russian