truthlessWiktionary 原文英美构词拆解truthtruth词干less-less后缀-lessLacking (something); without (something). Added usually to a noun to form an adjective signifying a lack of that noun.词源链中古英语Middle English约 1150–1500 年trewðeleas↓ 继承英语Englishtruthless词源说明From Middle English trewðeleas, equivalent to truth + -less. Piecewise doublet of trothless.释义形容词adjective1Lacking truth, untruthful.同族词派生词 1truthlessly相关词 4trothless·truth·truthful·