ψεύδω to cheat by lies, beguile, Soph., etc.:—Pass. to be cheated, deceived, Aesch, etc. ψ. τινά τινος to cheat, balk, disappoint one of a thing, Aesch., Soph.; also c. acc. rei, ἐλπίδας ψ. τινά Xen.:—Pass. to be cheated, balked, disappointed of a thing, ψευσθῆναι ἐλπίδος, γάμου Hdt.; δείπνου Ar. Pass., also, to be deceived, mistaken in or about a thing, ἐψευσμένοι γνώμης mistaken in opinion, Hdt.; ἐψευσμένοι τῆς τῶν Ἀθηναίων δυνάμεως deceived in their notions of the Athenian power, Thuc.; ἐψεῦσθαι ἑαυτῶν, Opp. to εἰδέναι ἑαυτούς, Xen.:—also, ψευσθῆναι ἔν τινι Hdt.; περί τινος Xen.: also c. acc., αὐτοὺς ἐψευσμένη Ἑλλάς deceived in its estimate of them, Thuc. of statements, to be untrue, ἡ τρίτη τῶν ὁδῶν μάλιστα ἔψευσται Hdt. c. acc. rei, like ψευδοποιέω, to represent a thing as a lie, to falsify, Soph.:—Pass., ἡ ψευσθεῖσα ὑπόσχεσις the promise broken, Thuc. earlier and more common is the Dep. ψεύδομαι, Ep. imper. ψεύδεο· f. ψεύσομαι· aor. 1 ἐψευσάμην· pf. ἔψευσμαι· absol. to lie, speak false, play false, Hom., etc. c. acc. rei, to say that which is untrue, ὅτι τοῦτο ψεύδομαι Plat.; ἅπερ αὐτὸν οὐ ψεύδομαι which I do not speak falsely about him, Andoc. to be false, perjured or forsworn, Hes. like Act. II, to belie, falsify, ὅρκια ψεύσασθαι to break them, Il.; so, ψ. γάμους Eur.; so in plqpf. pass., ἔψευστο τὴν ξυμμαχίαν Thuc.; τὰ χρήματα ἐψευσμένοι ἦσαν had broken their word about the money, Xen. like Act. 1, to deceive by lies, cheat, Aesch., Eur.; ψ. τινά τι to deceive one in a thing, Soph., Eur.