непримиримый
From LSJ
οἷς πρόθεσίς ἐστιν ἀδικεῖν, παρ' αὐτοῖς οὐδὲ δικαία ἀπολογία ἰσχύει → not even a just excuse means anything to those bent on injustice | the tyrant will always find a pretext for his tyranny | any excuse will serve a tyrant
Russian > Greek
ἄμικτος, ἀσυνάλλακτος, ἀκήρυκτος, ἀδιάλλακτος, ἀκατάλλακτος, ἄσπειστος, ἀσύμβατος, ἀξύμβατος, ἀσυνάρμοστος, δυσμείλικτος, δυσκατάλλακτος, δυσδιάλυτος, ἀνήκεστος