Lesser Sunda Islands les·ser·sun·daislands uncommon noun 1. a chain of islands forming a province of Indonesia east of Java; includes Bali and Timor SynonymsLesser Sunda IslandsNusa Tenggara Related words Broader terms archipelago Parts Sunda Islands Part of BaliTimor WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.