ἀστεργής

A. without love, implacable, ὀργή S. Aj. 776; ἀ. τι παθεῖν something intolerable, Id. OT 229.

II. repellent, Hp. Gland. 16; unyielding, ‐έστερον ξύλον Id. Fract. 16 (s.v.l.), cf. Ruf. ap. Orib. 49.28.3.