Impeccable

a.

1.

Not liable to sin; exempt from the possibility of doing wrong. God is infallible, impeccable, and absolutely perfect. - P. Skelton.

Adj.	1.	impeccable - without fault or error; "faultless logic"; "speaks impeccable French"; "timing and technique were immaculate"; "an immaculate record" Synonyms: faultless, immaculate
	2.	impeccable - not capable of sin

absolute, accurate, beyond all praise, blameless, chaste, clean, correct, defectless, destitute, errorless, exact, exquisite, faultless, flawless, ideal, immaculate, impecunious, impoverished, indefectible, indefective, indigent, infallible, irreproachable, just right, necessitous, needy, nice, peerless, penurious, perfect, poverty-stricken, precise, proper, pure, right, sinless, spotless, stainless, taintless, unadulterated, unblemished, uncontaminated, undefiled, unerring, unfaultable, unflawed, unimpeachable, unmixed, unprosperous, unsoiled, unspotted, unsullied, untainted, white