malignant Pronunciation: /məˈlɪgnənt/Translate malignant | into German | into Italian | into Spanish French translation of malignantadj 1 [look] malveillant/-e; [person] malfaisant/-e 2 [Med] malin/-ignemalignant in other Oxford dictionaries Definition of malignant in the British & World English dictionary Definition of malignant in the US English dictionary