Faultless

a.

1.

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.

Adj.

1.

faultless - without fault or error; "faultless logic"; "speaks impeccable French"; "timing and technique were immaculate"; "an immaculate record" Synonyms: impeccable, immaculate

OK, absolute, accurate, all right, angelic, beyond all praise, blameless, chaste, childlike, clean, clear, correct, dead right, defectless, dovelike, entire, errorless, exemplary, exquisite, flawless, foolproof, guiltless, ideal, immaculate, impeccable, in the clear, incorrupt, inculpable, indefectible, indefective, infallible, innocent, intact, irreproachable, just, just right, lamblike, letter-perfect, meticulous, not guilty, offenseless, okay, peerless, perfect, prelapsarian, pristine, proper, pure, reproachless, right, sans reproche, sinless, spotless, stainless, straight, straight-up-and-down, taintless, unadulterated, unblemished, uncontaminated, uncorrupted, undefiled, unfallen, unfaultable, unimpeachable, unlapsed, unmixed, unspotted, untainted, untouched by evil, whole, with clean hands, without reproach