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Although the restaurant was a bit expensive, we found its memorable cuisine, luxurious decor, and impeccable service to be well worth the price.

"They were honored for their impeccable character, integrity and exemplary service to our community." — Blake Dowling, The Tallahassee (Florida) Democrat, 28 Sept. 2020

More example sentences

The word impeccable has been used in English since the 16th century. It derives from the Latin word impeccabilis, a combination of the Latin prefix in-, meaning "not," and the verb peccare, meaning "to sin." Peccare has other descendants in English. There is peccadillo, meaning "a slight offense," and peccant, meaning "guilty of a moral offense" or simply "faulty." There is also peccavi, which comes from Latin, where it literally means "I have sinned"; in English the word functions as a noun meaning "an acknowledgment of sin."