Leonid Ilyich Brezhnev leo·ni·di·lyichbrezhnev uncommon noun 1. Soviet statesman who became president of the Soviet Union (1906-1982) SynonymsBrezhnevLeonid BrezhnevLeonid Ilyich Brezhnev Related words Broader terms statesman WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.