unmercifulWiktionary 原文英/ʌnˈmɜːsɪfl̩/美/ʌnˈmɝsɪfl̩/构词拆解unun-前缀mercifulmerciful词干un-(added to adjectives or past participles) not · (added to nouns) lack of词源链中古英语Middle English约 1150–1500 年unmerciful↓ 继承英语Englishunmerciful词源说明From Middle English unmerciful, unmercifull; equivalent to un- + merciful.释义形容词adjective1not showing mercy同族词派生词 2unmercifully·unmercifulness相关词 1unmercy