ἄτρεπτος

A. unchangeable, opp. παθητός, οὐσία Chrysipp.Stoic. 2.158; unmoved, inflexible, Arist. Mu. 401b19; irreparable, φόνος A.R. 4.704; Μοῖρα IG 9(2).317, cf. 14.1839; ἀτρέπτους κἀπαραιτήτους Phld. D. 1.18; ἄ. τὸ πρόσωπον Luc. VH 2.23; ἄ. πρὸς κινδύνους J. BJ 7.8.7; πρὸς τὸ κακῶς ἀκούειν indifferent to ill-repute, not caring, Plu. Alc. 13. Adv. ‐τως Ph. 2.87, J. BJ 7.9.1; without hesitation, D.S. 34.2, Ael. NA 17.17:—also ἀτρεμ‐πτί, Hdn. Epim. 256.

II. Medic., of food, undigested, Aret. SD 1.16, Gal. 16.800.