impeccable

From Middle French impeccable, from Latin impeccabilis (“not liable to sin”), from im- (“not”) + peccare (“to err, to sin”).

• IPA^(key): /ɪmˈpɛkəbəl/

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impeccable (comparative more impeccable, superlative most impeccable)

1. Perfect, without faults, flaws or errors

   The only impeccable writers are those who never wrote. - William Hazlitt

   He grew up in Norway, but he writes impeccable English.

2. Incapable of wrongdoing or sin; immaculate

   It was easy for James V to imprison Lady Glamis, but actually convicting her was far more difficult; her character was impeccable and she was highly respected by all who knew her.

• See also Thesaurus:flawless

• peccable
• peccant

• impeccable in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• impeccable in The Century Dictionary, The Century Co., New York, 1911
• impeccable at OneLook Dictionary Search

Borrowed from Late Latin impeccābilis, from peccāre (whence pécher).

• IPA^(key): /ɛ̃.pɛ.kabl/

impeccable (plural impeccables)

1. faultless, impeccable

• “impeccable” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).