adjective
1.
absolutely correct and beyond criticism
impeccable manners
Synonyms: errorless, exquisite, faultless, flawless, immaculate, irreproachable
Related Word: accurate, clean, correct, exact, nice, perfect, precise, right; infallible, unerring
Contrasted words: defective, deficient, faulty; blameworthy, censurable, criticizable, culpable; cursory, shallow, superficial, uncritical
Antonyms: peccant
2.
Synonyms: perfect 2, absolute, flawless, fleckless, indefectible, note-perfect, unflawed