Vaslav Nijinsky vas·lav·ni·jinsky uncommon noun 1. Russian dancer considered by many to be the greatest dancer of the 20th century (1890-1950) SynonymsNijinskyVaslav NijinskyWaslaw Nijinsky Related words Broader terms dancer WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.