Quick Definition
ἐκλανθάνομαι v. I forget entirely
Strong's Definition
middle voice from 1537 and 2990; to be utterly oblivious of
KJV Usage: forget
UBS Dictionary of the Greek New Testament
verb | pf. ἐκλέλησμαι | λανθάνομαι
29.15 · Memory and Recall · Not Remembering, Forgetting
to forget entirely, to not remember at all to forget completely or thoroughly
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
ἐκ-λανθάνω : to cause to forget; Mid. to forget; pf. ἐκλέAnopat, foll. by gen.: Heb. xii. 5. (Tom. et sqq.)
Mounce Concise Greek Dictionary
ἐκλανθάνομαι eklanthanomai 1x
to make to forget; to forget entirely, Heb. 12:5*
Abbott-Smith Greek Lexicon
** ἐκ-λανθάνω
[in Sm.: Ps 13:2 * ;]
to escape notice utterly; mid., to forget utterly: He 12:5.†
Moulton & Milligan — Vocabulary of the Greek NT
ἐκλανθάνω. P Oxy IX. 12038 (late i/A.D.) ἐγλαθόμενος τῆς ἐξακολ[ο]υθούσης αὐτῷ εὐθύνης, ‘‘heedless of the reckoning that would follow ” (Ed.).
Liddell-Scott-Jones — Greek-English Lexicon
ἐκλανθάνω (eklanthanō) — to forget. ἐκλανθάνω, escape notice utterly:—middle, forget utterly, with genitive of things, ἐκ χόλω τῶδε λαθοίμεθα [Refs 7th c.BC+]; τοῦδ᾽ ἐκλανθάνει thou forgettest this entirely, [Refs 5th c.BC+]
II. causal in present ἐκληθάνω, with aorist 1 ἐξέλησα, Aeolic dialect ἐξέλᾱσα (see. below): Epic dialect reduplicate aorist 2 ἐκλέλᾰθον:
II.1. active, make one quite forgetful of a thing, c.genitive of things, ἐκ δέ με πάντων ληθάνει ὅσσ᾽ ἔπαθον [Refs 8th c.BC+] with accusative _of things_, ἐκλέλαθον κιθαριστύν made him quite forget his harping, [Refs 8th c.BC+]
II.2. middle and passive, forget utterly, ὀϊζύος ἐκλελαθέσθαι [Refs 8th c.BC+]: with infinitive, ἐκλάθετο..καταβῆναι [Refs 8th c.BC+]