[ im-pek-uh-buhl ]
/ ɪmˈpɛk ə bəl /


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

Origin of impeccable

First recorded in 1525–35, impeccable is from the Latin word impeccābilis faultless, sinless. See im-2, peccable

Related forms

im·pec·ca·bil·i·ty, nounim·pec·ca·bly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for impeccable

British Dictionary definitions for impeccable


/ (ɪmˈpɛkəbəl) /


without flaw or error; faultlessan impeccable record
rare incapable of sinning

Derived Forms

impeccability, nounimpeccably, adverb

Word Origin for impeccable

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