All commanders will state that my report writing was always clear, concise, and impeccable.
That's not to say there's any less an appreciation of perfect anatomy and impeccable tailoring on the Astroturf than in the Tents.
To top it off, Mitt Romney is a man of deep faith and impeccable personal morals, at least as an adult.
1530s, "not capable of sin," from Middle French impeccable (15c.) or directly from Late Latin impeccabilis "not liable to sin," from assimilated form of in- "not, opposite of" (see in- (1)) + pecare "to sin," of unknown origin. Meaning "faultless" is from 1610s. Related: Impeccably.