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impeccable

[ im-pek-uh-buhl ]
/ ɪmˈpɛk ə bəl /
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See synonyms for: impeccable / impeccability / impeccably on Thesaurus.com

adjective

faultless; flawless; irreproachable: impeccable manners.
not liable to sin; incapable of sin.

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Origin of impeccable

First recorded in 1525–35, impeccable is from the Latin word impeccābilis faultless, sinless. See im-2, peccable
im·pec·ca·bil·i·ty, nounim·pec·ca·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for impeccable

impeccable
/ (ɪmˈpɛkəbəl) /

adjective

without flaw or error; faultlessan impeccable record
rare incapable of sinning
impeccability, nounimpeccably, adverb
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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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