Masters mas·ters UK/ˈmɑːs.təz/ US/ˈmæs.tɚz/ common us noun 1. United States poet (1869-1950) SynonymsEdgar Lee Masters Related words Word family mastershipmasterstroke Broader terms poet WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.