Webster’s Revised Unabridged Dictionary · 1913
Faultless
Fault′less, a. Without fault; not defective or imperfect; free from blemish; free from incorrectness, vice, or offense; perfect; as, a faultless poem.
Whoever thinks a faultless piece to see, Thinks what ne'er was, nor is, nor e'er shall be. Pope.
Syn. — Blameless; spotless; perfect. See Blameless.
— Fault′less·ly, adv.-Fault′less·ness, n.