I. disbelieve, distrust, “ἐγὼ τὸ μὲν οὔ ποτ᾽ ἀπίστεον” Od.13.339; “τύχην ἀ.” E.Alc.1130; “πάντα” Ar.Ec.775, cf. Th.7.28 (s.v.l.), X.Ages.5.6, 8.7:—Pass., τὴν γνῶσιν τοῦ οἰκείου ἀπιστεῖσθαι was distrusted, i.e. no one could be sure of knowing, Th.7.44; “ἀ. ἐν μαρτυρίαις” Antipho2.2.7; “ἐπειδὰν γνῶσιν ἀπιστούμενοι, οὐ φιλοῦσι τοὺς ἀπιστοῦντας” X.Cyr.7.2.17, cf. Hier. 4.1; “ὑπὸ τῆς πατρίδος” Id.Smp.4.29, cf. Pl.Plt.271b, Isoc.5.49:—but mostly,
2. c. dat. pers., “κρατέουσιν” Emp.5.1, cf. Th.8.83, Pl.Prt. 319b, etc.: so c. dat. rei, “τῷ χρησμῷ” Hdt.1.158; “πῶς ἀπιστήσω λόγοις;” S.Ph.1350, cf. Th.6.86; “ἀ.τῇ ἐξ αὑτῶν ξυνέσει” Id.3.37; “τοῖς ἰάμασιν” IG 4.951.24 (Epid.); “ἡμῖν αὐτοῖς” Arist.EN1112b10; ἀ.τινί τι disbelieve one in a thing, Hdt.3.122; “περί τινος” Id.4.96; οἷς ἠπίστησαν ἔχειν . . whom they suspected of having, Plb.4.18.8.
3. c.inf., οὐδέν σ᾽ ἀπιστῶ καὶ δὶς οἰμῶξαι I nothing doubt that . ., S.Aj.940; ἀ. μὴ γενέσθαι τι to doubt that it could be, Th.1.10; “ἀπιστοῦντες αὐτὸν μὴ ἥξειν” Id.2.101, cf.4.40, Pl.Plt.301c, R.555a; also “ἀ. μὴ οὐκ ἐπιστήμη ᾖ ἡ ἀρετή” Id.Men.89d; “ἀ. πῶς . .” Phd.73b; “ἀ. εἰ . .” APl.4.52 (Phil.), Ph.2.555; “ὅτι . .” Pl.Men. 89d; “ὡς” R.450c:—Pass., τὸ ἐπιτήδευμα ἀπιστεῖται μὴ δυνατὸν εἶναι it is not believed to be possible, Id.Lg.839c, cf. Chrm.168e.
4. abs., to be incredulous, Hdt.8.94, cf. Ev.Marc.16.16, etc.; “νᾶφε καὶ μέμνασ᾽ ἀπιστεῖν” Epich.250; “ἐπὶ τοῖς λεγομένοις” Ph.2.92.
II. = ἀπειθέω, disobey, “τινί” Hdt.6.108, freq.in Trag.and Pl., A.Pr.640, S.Ant.381 (lyr.), Tr.1183, 1224, Pl.Ap.29c, al.: abs., to be disobedient, τοῖς ἀπιστοῦσιν τάδε in these things, S.Ant.219, cf. 656; ἢν δ᾽ ἀπιστῶσι but if they refuse to comply, E.Supp.389, cf. Pl.Lg.941c.
3. νεκρὸς τὸν θάνατον ἀπιστούμενος belying death, Polem.Call.55.