ἄλαστος

A. not to be forgotten. insufferable, πένθος, ἄχος, Il. 24.105, Od. 4.108, Hes. Th. 467, cf. Alcm. 23, A. Pers. 990; ἔπαθον ἄλαστα S. OC 538: Sup. ‐ότατον, πῆμα IG 12 (5). 64 (Naxos); neut. as Adv., ἄλαστον ὀδύρομαι I wail inconsolably, Od. 14.174, cf. B. 3.34.

2. of persons, as in Il. 22.261, where Achilles calls Hector ἄλαστε thou whom I will never forget nor forgive!; accursed wretch, S. OC 1482; πατρὸς . . ἄ. αἷμα ib. 1672, cf. Mim. Oxy. 413.60.—Poet. and late Prose, Dempoh.Sent. 13: used by Trag. only in lyr.