impeccable
Concise Oxford English Dictionary © 2008 Oxford University Press:
impeccable /ɪmˈpɛkəb(ə)l/
▶adjective in accordance with the highest standards.
■ Theology, rare not liable to sin.
– derivatives
impeccability noun,
impeccably adverb.
impeccability noun,
impeccably adverb.
– origin C16: from L. impeccabilis, from in- ‘not’ + peccare ‘to sin’.
'impeccable' also found in these Oxford entries:
