(of behaviour, performance, or appearance) in accordance with the highest standards of propriety; faultless (行为,表演,外表)最佳的,完美的 a man of impeccable character. 品质完美的人。 ■(Theology, rare)not liable to sin (神学 罕)不会犯罪过的
派生 impeccability noun impeccably adverb 语源
mid 16th cent. (in the theological sense): from Latin impeccabilis, from in- 'not' + peccare 'to sin'