Attlee att·lee US/ˈætli/ uncommon noun 1. British statesman and leader of the Labour party who instituted the welfare state in England (1883-1967) SynonymsClement AttleeClement Richard Attlee1st Earl Attlee Related words Broader terms statesman WordNet 2.1 (Princeton University). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.