ἀνεπιστρεφής
From LSJ
ἀμήχανον δὲ παντὸς ἀνδρὸς ἐκμαθεῖν ψυχήν τε καὶ φρόνημα καὶ γνώμην, πρὶν ἂν ἀρχαῖς τε καὶ νόμοισιν ἐντριβὴς φανῇ → hard it is to learn the mind of any mortal or the heart, 'till he be tried in chief authority | it is impossible to know fully any man's character, will, or judgment, until he has been proved by the test of rule and law-giving
English (LSJ)
ές, = foreg.,
A ἀ. τινος careless of, Placit.1.7.7; inexorable, τὸ ἀ. τῆς δίκης Corn.ND21.
German (Pape)
[Seite 225] ές, dass., Plut. plac. phil. 1, 7 M.