Gary Weinstein ga·ry·weins·tein uncommon noun 1. Azerbaijani chess master who became world champion in 1985 by defeating Anatoli Karpov (born in 1963) SynonymsKasparovGary KasparovGary Weinstein Related words Broader terms chess master WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.