LSJ
II
everlasting, perpetual, ἀ. κακόν Od. 12.118; χάρις Hdt. 7.178; ἀρετή, ἀρχά, S. Ph. 1420, OT 905 (lyr.); κλέος, μνήμη, B. 12.65, Lys. 2.81; συκοφάντης Hyp. Lyc. 2; ἀ. ὁ θάνατος ‘death that cannot die’, Amph. 8; of Nisus’ purple locks, ἀ. θρίξ on which life depended, A. Ch. 619.
free from danger, σιγᾶς ἀ. γέρας Simon. 66; βίος Id. 36, cf. E. IA 17, Th. 1.124; πυρετοί Hp. Aph. 7.63; ἀρεταὶ ἀ. virtues that court no danger, i.e. cheap, easy virtues, Pi. O. 6.9, cf. Th. 3.40; ἀ. εἶναί τινι τὸν ἀγῶνα Hyp. Lyc. 8: c. gen., guaranteed against risk, ἀ. παντὸς κινδύνου IG 12(7).67 ( Amorgos), PTeb. 105.18 (ii B. C.).
II
Med., ἐπιλανθάνομαι, or more commonly ἐπιλήθομαι, Aeol. and Dor. -λᾱθ- Alc. Supp. 25.6, S. El. 146 (lyr.), fut. -λήσομαι: aor. 2 -ελᾰθόμην Pl. Ap. 17a: late aor. 1 -ελήσατο Nonn. D. 48.969: with pf. Act. λέληθα Hdt. 3.46, Pi. O. (v. infr.), but more freq. Pass. -λέλησμαι E. Ba. 188, Ar. Nu. 631, Lys. 26.1, Pl. Phd. 75d, al.: plpf. -ελελήσμην Ar. V. 605, Pl. Phd. 73e, al.:— let a thing escape one, forget, lose thought of, c.gen., ὅπως Ἰθάκης ἐπιλήσεται ( Ep. aor. subj.) Od. 1.57; οὐδʼ ὁ γέρων δολίης ἐπελήθετο τέχνης 4.455, cf. Hes. Th. 560; οὐδʼ ὣς σχεδίης ἐπελήθετο Od. 5.324; γονέων ἐπιλάθεται ( Dor.) S. El. 146 (lyr.), cf. Hdt. 4.4, Lys. 26.1, etc.; ὑπʼ αὐτῶν ὀλίγου ἐμαυτοῦ ἐπελαθόμην Pl. Ap. l.c.: prov., Μαλέας δὲ κάμψας ἐπιλάθου τῶν οἴκαδε Str. 8.6.20: c.acc., Hdt. 3.46, E. Hel. 265, Ar. Nu. 631; ὑπὸ χρόνου τι Pl. Phd. 73e: c. inf., Ar. V. 853, Pl. R. 563b, Hyp. Lyc. 8: c. part., ὀφείλων ἐπιλέλᾱθα I forgot that I owed, Pi. O. 10(11).3, cf. E. Ba. 188: with a Prep., ἐ. περὶ τῶν πεπραγμένων And. 1.148; περὶ οὗ . ., περὶ ὅτου . . , Pl. Prt. 334d, 336d; leave disregarded, neglect, πρόσταγμα Ceb. 24.
tell lies against, speak falsely of, τινος Ar. Pax 533, Lys. 16.8, Antipho 2.4.7, Pl. R. 381d, D. 21.134, etc.; κ. τινὸς πρός τινα accuse falsely to another, Plu. Them. 25, Phoc. 33: abs., Hyp. Lyc. 8.
II
have or gain the advantage over, τῶν ἐχθρῶν Pl. R. 362b, cf. Hyp. Lyc. 8, etc.; παρά τινος X. Cyr. 1.6.32 (v.l.); παρʼ ἀλλήλων Arist. Pol. 1292b19; τινι in a thing, X. Cyr. 4.3.21, etc.; κατά τι Pl. Euthphr. 15a; περί τι Id. La. 183a; also π. τῶν νόμων gain at the expense of the laws, Id. Lg. 691a; τῆς ὑμετέρας π. εὐηθείας take advantage of your simpleness, D. Prooem. 24.