Quick Definition
I flash forth like lightning
Strong's Definition
to lighten forth, i.e. (figuratively) to be radiant (of very white garments)
Derivation: from G1537 (ἐκ) and G797 (ἀστράπτω);
KJV Usage: glistening
Thayer's Greek Lexicon
ἐξαστράπτω.
1. properly, to send forth lightning, to lighten.
2. to flash out like lightning, to shine, be radiant: of garments, Luk_9:29; (of gleaming arms, Nah_3:3; Eze_1:4; Eze_1:7; φόβῳ καί κάλλει πολλῷ Tryphiodor. 103; (cf. Winer's Grammar, 102 (97))).
Mounce Concise Greek Dictionary
ἐξαστράπτω exastraptō 1x
pr. to flash forth; hence, to glisten as lightning, Luk_9:29
Abbott-Smith Greek Lexicon
† ἐξ -αστράπτω ,
[in LXX : Num_3:3 ( H1300 ), Eze_1:4 ( H3947 hithp .) 17 Da LXX 106 ( H7043 ) * ;]
to flash like lightning, gleam, be radiant: ἱματισμός , Luk_9:29 .†
Moulton & Milligan — Vocabulary of the Greek NT
ἐξαστράπτω [page 222]
See s.v . ἀστράπτω . The compound, which occurs in the NT only in Luk_9:29 (cf. LXX Eze_1:4 ; Eze_1:7 , Nah_3:3 ) may convey the idea of flashing forth as from an inward source (cf. Farrar CGT ad l. ), but is perhaps simply intensive, dazzling (RV).
Liddell-Scott — Intermediate Greek Lexicon
ἐξαστράπτω fut. ψω "to flash as with lightning", NTest.
STEPBible — Tyndale Abridged Greek Lexicon
ἐξ-αστράπτω
[in LXX: Num.3:3 (בָּרָק), Eze.1:4 (לָקַח hithp.) 17 Dan LXX 106 (קָלַל)* ;]
to flash like lightning, gleam, be radiant: ἱματισμός, Luk.9:29.†
(AS)