(a.) Committing no mistake; incapable or error or failure certain; sure; unfailing; as, the unerring wisdom of God.
Thesaurus Entries
close, constant, delicate, direct, even, exact, express, faithful, fine, incorrupt, incorrupted, inerrable, inerrant, infallible, mathematical, micrometrically precise, microscopic, nice, pinpoint, precise, refined, religious, religiously exact, rigid, rigorous, scientific, scientifically exact, severe, sinless, square, strict, subtle, sure, uncorrupt, uncorrupted, undebauched, undegenerate, undemoralized, undepraved, undeviating, undissolute, unfallen, uniniquitous, unsinful, unwicked
