syncopated syn·co·pa·ted UK/ˈsɪnkəpeɪtɪd/ US/ˈsɪnkəˌpeɪtɪd/ uncommon adjective 1. stressing a normally weak beat Similarrhythmical WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.