Henry George Liddell, Robert Scott, A Greek-English Lexicon

A.ungentle, rough, hard, of persons, Il.1.340; “ὅτι τοι νόος ἐστὶν ἀ.” 16.35, cf. Od.18.381; “θυμὸς ὑπερφίαλος καὶ ἀ.” Il. 15.94; μῦθον ἀπηνέα τε κρατερόν τε ib.202, cf. Od.18.381, al.; ὃς μὲν ἀπηνὴς αὐτὸς ἔη καὶ ἀπηνέα εἰδῇ cruel himself and full of cruel thoughts, 19.329.—Rare in Att. (never in Trag.), “ὅπως τοῖς ἔξωθεν μηδὲν δείξειαν ἀπηνές” Ar.Nu.974 (anap.); “ἀπηνές τι εἰπεῖν” Pl.Phdr.257b (but ἀπηχές (q.v.) Hermias adloc.), cf.Lg.950b, Call.Iamb.1.257; freq. in later Prose, as Onos.42.23, Phld.D.3Fr.69, D.S.9.24, Plu.2.678b, 970c, Luc.Nec.18; “τὸ ἐς ἀλλήλους ἀ.” Procop.Goth.4.35: Comp. “-έστερος” J.BJ5.7.4, Adam.2.44: Sup. “-έστατος” Ael.NA3.26; “τοῖς φίλοις” J.BJ 1.24.8. Adv. “-νῶς” D.Chr.32.53, Plu.2.19b; πρὸς φίλους ἀπηνῶς ζῆν ib.525d: Comp. “-έστερον” J.AJ11.6.9.

II. in physical sense, “σπλὴν ἀ.” hard, Aret.SD1.14, cf. 2.12; unpleasant to taste, CA1.5. (Cf. προσ-ηνής, Goth. ansts 'favour'.)