A.not to be rubbed or worn away, indestructible, in Hom. mostly of brass or iron, Il.5.292, al.
II. metaph., stubborn, unyielding, αἰεί τοι κραδίη πέλεκυς ὥς ἐστιν ἀ. ib.3.60, cf. 15.697; [Hercules] “μένος αἰὲν ἀ.” Od.11.270; “φωνή” Il.13.45, 17.555; “ὄμματα” Emp.86; “ἀτειρέσιν ἀκτίνεσσιν” Id.84.6; “ἀγαθόν” Pi.O.2.36; of persons, “κἀν μύθοισι καὶ ἐν προσόδοισιν ἀ.” stubborn, Theoc.23.6; “ἀτειρὴς οἴνῳ” AP12.175 (Strat.); “τὸ ἀτειρές” stubbornness, Pl.Cra.395b; Pythag. etym. of τριάς, Theol.Ar.15.—In Archig. ap. Gal.8.87 ἀτειρός. Adv., Comp. “-ότερον” Gal.8.110, prob. in D.L.6.99.