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impeccable

[im-pek-uh-buh l] /ɪmˈpɛk ə bəl/
adjective
1.
faultless; flawless; irreproachable:
impeccable manners.
2.
not liable to sin; incapable of sin.
Origin
1525-1535
1525-35; < Latin impeccābilis faultless, sinless. See im-2, peccable
Related forms
impeccability, noun
impeccably, adverb
Synonyms
1. unassailable, unexceptionable.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for impeccability

impeccable

/ɪmˈpɛkəbəl/
adjective
1.
without flaw or error; faultless: an impeccable record
2.
(rare) incapable of sinning
Derived Forms
impeccability, noun
impeccably, adverb
Word Origin
C16: from Late Latin impeccābilis sinless, from Latin im- (not) + peccāre to sin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for impeccability

impeccable

adj.

1530s, "not capable of sin," from Middle French impeccable (15c.) or directly from Late Latin impeccabilis "not liable to sin," from assimilated form of in- "not, opposite of" (see in- (1)) + pecare "to sin," of unknown origin. Meaning "faultless" is from 1610s. Related: Impeccably.

Online Etymology Dictionary, © 2010 Douglas Harper
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