Lexical Definition

‎ἐκπλήσσω‎ ekplḗssō (ek-place'-so) be astonished G:V
from ‎ἐκ‎ and ‎πλήσσω‎

amaze, astonish.

Usage: 6 forms in 14 verses
Form Translated As     In Verse(s)
ἐξεπλήσσοντο they were astonished Mark.1.22 • Mark.7.37 • Mark.10.26 • Luke.4.32
were astonished Matt.7.28 • Matt.19.25 • Matt.22.33 • Mark.6.2 • Luke.9.43
ἐξεπλήσσετο was astonished Mark.11.18
ἐξεπλάγησαν they were astonished Luke.2.48
ἐκπλησσόμενοσ being astonished Acts.13.12
ἐκπλήσσεσθαι to be astonished Matt.13.54
εκπλαγήσ you should be overwhelmed LXX.Eccl.7.16

Abbott-Smith

ἐκ-πλήσσω (Attic -ττω, Ac 13:12), [in LXX: (pass.) Ec 7:16, (שָׁמֵם hithp.), Wi 13:4, II Mac 7:12, IV Mac 8:4 17:16 * ;]
1. prop., to strike out, drive away.
2. to strike with panic or shock, to amaze, astonish: pass., Mt 13:54 19:25, Mk 6:2 7:37 10:26, Lk 2:48; seq. ἐπί, c. dat. rei, Mt 7:28 22:33, Mk 1:22 11:18, Lk 4:32 9:43, Ac 13:12.†
SYN.: " πτωεῖν, to terrify, agitate with fear;
τρεμεῖν, to tremble, predominantly physical;
φοβεῖν, to fear, "the general term," Thayer;
cf. also φρίσσω, to shudder, and v.s. δειλία

Abbott-Smith References

Book Refs
Ecclesiastes 7:16
Matthew 7:28 · 13:54 · 19:25 · 22:33
Mark 1:22 · 6:2 · 7:37 · 10:26 · 11:18
Luke 2:48 · 4:32 · 9:43
Acts 13:12

Liddell-Scott-Jones

ἐκπλήσσω,

Attic dialect ἐκπλήττω, strike out of, drive away from, expel, ἐκ δ᾽ ἔπληξέ μου τὴν αἰδῶ [Refs 4th c.BC+]; ὃς (i.e. κεραυνὸς) αὐτὸν ἐξέπληξε τῶν.. κομπασμάτων[Refs 5th c.BC+]: absolutely,drive away, ἡ τέρψις τὸ λυπηρὸν ἐκπλήσσει [Refs 5th c.BC+]

__II drive out of one's senses by a sudden shock, amaze, astound, [ἐκπλήσσων.. 5th c.BC: Antipho Orator 2.1.7; κακοὶ εὐτυχοῦντες ἐκπλήσσουσί με “Tragica Adespota” 465 ">Refs 8th c.BC+]; ὅ μ᾽ ἐκπλήσσει λόγου frightens me in speaking, [Refs 5th c.BC+] — in this sense most frequently in aorist 2 passive, Epic dialect ἐξεπλήγην (see. below), Attic dialect ἐξεπλάγην [ᾰ] (also aorist I ἐξεπλήχθην [Refs]: perfect participle ἐκπεπληγμένος [Refs 5th c.BC+]; to be panic-struck, amazed, especially by fear, ἐκ γὰρ πλήγη φρένας [Refs 8th c.BC+]: with participle, ἐκπεπληγμένον κεῖνον βλέποντες [Refs 5th c.BC+]; ἐκπλαγῆναί τινι to be astonished at a thing, [Refs 5th c.BC+] to be struck with panic fear of.., [Refs 5th c.BC+]
__II.2 generally, of any sudden, overpowering passion, to be struck with desire, [Refs 5th c.BC+]; with love, [Refs 5th c.BC+]; χαρᾷ, ἡδονῇ, [Refs 5th c.BC+]; with admiration, [Refs 5th c.BC+]
__II.3 εἰς ὁμολογίαν ἐκπλήττειν frighten one into.., falsa lectio in [Refs 2nd c.BC+]