The task involves finding the word closest in meaning to "Impeccable." Let’s evaluate each option:
Flawless: The word "impeccable" means without flaw or error. "Flawless" directly corresponds to the absence of flaws, making it synonymous with impeccable. This is the correct choice.
Ordinary: This means common or not special, which does not relate to being impeccable.
Doubtful: "Doubtful" means uncertain or questionable, opposite to impeccable, which suggests certainty.
Dull: Refers to lacking brightness or interest, not aligning with the meaning of impeccable.
After reviewing the options, Flawless is the word that is closest in meaning to "Impeccable."