Synonyms of indefectible

1 Syllable
pure, ten, sound
2 Syllables
stainless, crowning, skillful, aces, faultless, peerless, adept, foolproof, matchless, perfect, spotless, expert, a-ok, superb, ideal, splendid, skilled
3 Syllables
classical, blameless, sublime, excelling, defectless, untainted, supreme, have-it-all, unmarred, utopian, finished, excellent, unflawed
4 Syllables
culminating, absolute, unequaled, experienced, untarnished, impeccable, accomplished, consummate, out-of-this-world, paradisiac, unblemished
5 Syllables
paradisiacal, immaculate