Quick Definition
ἐπιστηρίζω v. I prop up, uphold, confirm
Strong's Definition
from 1909 and 4741; to support further, i.e. reestablish
KJV Usage: confirm, strengthen
UBS Dictionary of the Greek New Testament
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
ἐπι-στηρίζω; 1 aor. ἐπεστήριξα; a later word; fo establish besides, strengthen more; to render more firm, confirm: τινά, one’s Christian faith, Acts xiv. 22; xv. 32, 41; xviii. 23 RG
Mounce Concise Greek Dictionary
ἐπιστηρίζω epistērizō 4x
pr. to cause to rest or lean on, to settle upon; met. to conform, strengthen, establish, 14:22; 15:32, 41; 18:23*
Abbott-Smith Greek Lexicon
ἐπι-στηρίζω
[in LXX for סָמַךְ, etc. ;]
to make stronger, confirm: c. acc, Ac 14:22 15:32, 41.†
Liddell-Scott-Jones — Greek-English Lexicon
ἐπιστηρίζω (epistērizō) — to strengthen. ἐπιστηρ-ίζω, cause to rest on, ἐπιστηριῶ ἐπί σε τοὺς ὀφθαλμούς μου[LXX]; make to lean on, τί τινι [Refs 3rd c.AD+]; set over, Δεῖμον κεραυνῷ [Refs 4th c.AD+]; confirm, τινά [NT]:—passive, to be supported, ἐν τῷ ὕδατι [Refs 4th c.BC+]; ἐπιστηριχθήσομαι and ἐπεστηρίχθη ἐπὶ [τοὺς κίονας], [LXX+2nd c.AD+]