δυσαπάλλακτος
From LSJ
ὦ θάνατε παιάν, μή μ᾽ ἀτιμάσῃς μολεῖν· μόνος γὰρ εἶ σὺ τῶν ἀνηκέστων κακῶν ἰατρός, ἄλγος δ᾽ οὐδὲν ἅπτεται νεκροῦ. → O death, the healer, reject me not, but come! For thou alone art the mediciner of ills incurable, and no pain layeth hold on the dead.
English (LSJ)
ον,
A hard to get rid of, νοῦσος Hp.Nat.Mul. 40; ὀδύναι S.Tr.959 (lyr.); πρόσταγμα Isoc.10.28; ἀρρώστημα Arist. PA671b9, cf. Cat.10a4: c. gen., -ότεραι τῶν ἐμβρύων having difficulty in bringing forth, Id.HA587b1; δ. ἀπὸ λόγου a person hard to draw away from... Pl.Tht.195c. Adv. -τως, ἔχειν τινός Eust.1389.46, cf. Eustr. in EN140.18.