пораженный безумием

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

Source

Russian > Greek

παραπλήξ, παράπληκτος, φρενόπληκτος