Synonyms and related words :
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