ἀδιάβλητος
From LSJ
μούνη γὰρ ἄγειν οὐκέτι σωκῶ λύπης ἀντίρροπον ἄχθος → I have no longer strength to bear alone the burden of grief that weighs me down, I no longer have the strength to hold up alone the weight of grief that pushes against me, I no longer have the strength to counterbalance alone the weight of grief that acts as counterweight, I have no longer strength to balance alone the counterpoising weight of sorrow
English (LSJ)
ον,
A not listening to calumny, ἡ τῶν ἀγαθῶν φιλία ἀ. ἐστι Arist.EN1157a21; ἀνύποπτος καὶ ἀ. Plu.Brut.8. II unexceptionable, φιλοπονία ἕξις ἀ. πρὸς πόνον Pl.Def.412c; τοῖς βίοις ἀ. Plu.2.4b; τὰ πρὸς τοὺς ἄλλους ἀ. App.Sam.4.4. Adv. -τως Just.Nov.137.2.