Entry 1 sense Webster, 1913 Duelist /do͞o'-əl-ĭst/ · Du·el·ist · IPA /dˈuːəlɪst/ 01 n. One who fights in single combat. 1. One who fights in single combat. “A duelist . . . always values himself upon his courage, his sense of honor, his fidelity and friendship.” — Hume.