impeccable

[im-pek-uh-buhl]

adjective

1. faultless; flawless; irreproachable.

   impeccable manners.

   Synonyms: unexceptionable, unassailable

2. not liable to sin; incapable of sin.

impeccable

/ ɪmˈpɛkəbəl /

adjective

1. without flaw or error; faultless

   an impeccable record

2. rare,  incapable of sinning

Other Word Forms

• impeccability noun
• impeccably adverb

Word History and Origins

Origin of impeccable¹

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

Word History and Origins

Origin of impeccable¹

C16: from Late Latin impeccābilis sinless, from Latin _im- (not) + peccāre to sin

Example Sentences

Many will argue with their conclusions, but their impeccable research and clear-cut cause-and-effect scenarios might at least spur actionable change.

Read more on Los Angeles Times

Sweeney’s impeccable screenplay accounts for these seemingly inadvertent details to later bloom into meaningful narrative payoffs.

Read more on Los Angeles Times

Buckley has been building an impeccable resume the past few years.

Read more on Los Angeles Times

She gardens, cooks, is an impeccable calligrapher and shares her love of crafting with her equally famous guests.

Read more on Salon

With impeccable timing, that is the weekend before fashion's biggest night, the Met Gala, which always takes place on the first Monday in May.

Read more on BBC

Related Words

• exquisite 
• immaculate 
• precise 
• unblemished