Entry 1 sense Webster, 1913 Denigrator /dĕn′ĭ-grā-tər/ · Den·i·gra·tor · IPA /ˈdɛn.ɪ.ɡɹeɪ̯.təɹ/ 01 n. One who, or that which, blackens. 1. One who, or that which, blackens.