unfaithful
From LSJ
τὸ δὲ ποιεῖν ἄνευ νοῦ ἃ δοκεῖ καὶ σὺ ὁμολογεῖς κακὸν εἶναι: ἢ οὔ → but doing what one thinks fit without intelligence is—as you yourself admit, do you not?—an evil
adj.
P. and V. ἄπιστος.
Perjured: Ar. and P. ἐπίορκος.
Crafty: Ar. and V. δόλιος; see crafty.