ἄπταιστος
ον, Adv.
A.
not stumbling, ἀπταιστστερον παρέχειν τὸν ἵππον make a horse less aptto stumble, X. Eq. 1.6: metaph., ἄ ἐν τῷ βίῳ Epict. Gnom. 52; δώμασιν ἀ. Limen. 43, cf.M.Ant. 5.9; βίος Luc. Am. 46; infallible, Plot. 5.3.17, Alex.Aphr. in Metaph. 713.12; ἀλήθεια Iamb. Myst. 3.31; θεοὶ διδασκάλων‐ότατοι Max.Tyr. 38.1. Adv. ‐τως Pl. Tht. 144b; inevitably, Gal. 14.230: Comp. ‐ότερον with greater precision, Ptol. Tetr. 177:—also ἀπρο‐τί, Hdn. Epim. 256.
2.
intact, Plu. 2.691d.
II.
not causing to stumble, giving a good footing, λεία καὶ ἄ. ὁδός Max. Tyr.5.2.