Lexical Definition

‎ἐκθαμβέω‎ ekthambéō (ek-tham-beh'-o) be awe-struck G:V
from ‎ἔκθαμβος‎

affright, greatly (sore) amaze.

Usage: 3 forms in 4 verses
Form Translated As     In Verse(s)
ἐξεθαμβήθησαν they marvelled Mark.9.15
they were greatly amazed Mark.16.5
ἐκθαμβεῖσθε do be amazed Mark.16.6
ἐκθαμβεῖσθαι to be greatly awe-struck Mark.14.33

Abbott-Smith

**† ἐκ-θαμβέω, -ῶ (< ἔκθαμβος), [in LXX: Si 30:9 * ;]
1. to be amazed.
2. to amaze, terrify (Si 30:9). Pass., to be amazed, terrified: Mk 9:15 14:33 16:5, 6.†

Abbott-Smith References

Book Refs
Mark 9:15 · 14:33 · 16:5 · 16:6

Liddell-Scott-Jones

ἐκθαμβέω-έω,

to be amazed, [Refs 5th c.AD+]

__II transitive, amaze, astonish, [LXX]:—passive, [NT+2nd c.AD+]

LSJ Scripture Refs: Mark.9.15