adjective Etymology: Latin impeccabilis, from in- + peccare to sin Date: 1531 not capable of sinning or liable to sin, free from fault or blame ; flawless , impeccability noun impeccably adverb
IMPECCABLE
Meaning of IMPECCABLE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012