ἀναίσχυντος
From LSJ
ἄλογον δὴ τὸ μήτε μάχης ἄρξασθαι μήτε τοὺς φίλους φυλάξαι, ἐὰν ὑπό γε τῶν βαρβάρων ἀδικῆσθε → It is irrational neither to begin battle nor to guard the friends, if you are ever wronged by the foreigners
English (LSJ)
ον,
A shameless, impudent, Alc.Supp.21.5, E.IA327, etc., Ar.Pax182, And.4.17, Pl.Lg.671c (Comp.), Ap.17b (Sup.), etc.:—τὸ ἀναίσχυντον, = ἀναισχυντία, E.IA1144. Adv. -τως Pl.Ap. 31b: Sup. ἀναισχυντότατα ἀνθρώπων D.27.18. II of things, shameful, abominable, βορά E.Cyc.416; θῆκαι Th.2.52.