non-malignantBrE /ˌnɒn məˈlɪɡnənt/ 🔊NAmE /ˌnɑːn məˈlɪɡnənt/ 🔊 adjective(of a tumour 肿瘤) not caused by cancer and not likely to be dangerous 非恶性的;良性的 SYN benign OPP malignant See non- for more