A.making no mistake, unerring, X.Cyr.8.7.22, Pl.R.339b.
2. in moral sense, blameless, Hp.Fract.16 (Comp.), cf. Antipho 3.2.10, Men.Epit.487, Phld. Sto.Herc.339.17; sinless, Ev.Jo.8.7, cf. Aristeas 252, Muson.Fr.2p.6H.; ἀ. πολιτεία a faultless form of government, Arist.Pol. 1275b2; ἀ. πρός τινα having done no wrong to a person, Hdt.1.117; “τινί” 5.39; ἀ. τινός guiltless of a thing, 1.155: τὸ -ητότατον, = ἀναμαρτησία, X.Ages.6.7, cf. Pl.R.477e; “πρὸς τὸ ἀ.” to preserve from error, Arist.EN1155a13. Adv. “-τως” without fail, unerringly, X.Mem.2.8.5; without making a mistake, Ps.-Alex.Aphr. in SE15.33; inoffensively, [D.]61.21.
II. of things, not done by fault, done unavoidably, “συμφορά” Antipho 3.2.11.
2. unfailing, Dion.Byz.17.