irreproachable
Word family nounirreproachabilityadjectiveirreproachableadverbirreproachably
ir·re·proach·a·ble /ˌɪrɪˈprəʊtʃəbəl◂ $ -ˈproʊtʃ-/ adjectiveadj formal GOOD/EXCELLENTsomething, such as someone’s behaviour, that is irreproachable is so good that you cannot criticize it 〔行为等〕无可指责的,无可挑剔的