The adjective impeccable describes something or someone without any flaws. A stand-up comedian needs impeccable timing for her jokes to work.

The adjective impeccable refers to something or someone without marking or error — but it can describe something spotless or clean. The word comes from the Latin impeccabilis, "to be sinless," which is also an outdated sense in English. You can see how "clean" comes from "sinless." Because of the messy nature of picnic food, it is highly unlikely that you would leave with your clothing still as impeccable as when you arrived, especially if you like lots of mustard and ketchup!

Definitions of impeccable
  1. adjective
    without fault or error
    “speaks impeccable French”
    synonyms: faultless, immaculate
    being complete of its kind and without defect or blemish
  2. adjective
    not capable of sin
    morally excellent
Word Family