unplightWiktionary 原文英美构词拆解unun-前缀plightplight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unpliȝt↓ 继承英语Englishunplight词源说明From Middle English unpliȝt, equivalent to un- + plight.释义名词noun1obsoletePeril.