ἀκηδέστως
From LSJ
Τὸ νικᾶν αὐτὸν αὑτὸν πασῶν νικῶν πρώτη τε καὶ ἀρίστη. Τὸ δὲ ἡττᾶσθαι αὐτὸν ὑφ' ἑαυτοῦ πάντων αἴσχιστόν τε ἅμα καὶ κάκιστον. → Τo conquer yourself is the first and best victory of all, while to be conquered by yourself is of all the most shameful as well as evil
French (Bailly abrégé)
adv.
avec indifférence, sans pitié.
Étymologie: ἀκήδεστος.
Spanish
sin compasión, de forma implacable, sin cuidado, sin comedimiento
Russian (Dvoretsky)
ἀκηδέστως: беспечно, ни о чем не заботясь, небрежно, тж. безжалостно (ἕλκειν τινά Hom.; ὄμφακα ἐκτέμνειν Anth.).