ソビエト社会主義共和国連邦しゃかいしゅぎきょうわこくれんぽうソビエトしゃかいしゅぎきょうわこくれんぽうMeanings1nounUnion of Soviet Socialist Republics; USSR; Soviet Unionhistorical termHistorical term for the former Soviet Union; used in formal or historical contexts.
