Lexical Definition

‎ἔκφοβος‎ ékphobos (ek'-fob-os) terrified G:A
from ‎ἐκ‎ and ‎φόβος‎

sore afraid, exceedingly fear.

Usage: 3 forms in 3 verses
Form Translated As     In Verse(s)
ἔκφοβόσ Greatly afraid Heb.12.21
ἔκφοβοι terrified Mark.9.6
έκφοβόσ I am frightened LXX.Deut.9.19

Abbott-Smith

ἔκφοβος, -ον [in LXX: ἔ. εἶναι for יָגֹר, De 9:19; also I Mac 13:2 * ;]
affrighted, terrified: Mk 9:16, He 12:21.†

Abbott-Smith References

Book Refs
Deuteronomy 9:19
Mark 9:16
Hebrews 12:21

Liddell-Scott-Jones

ἔκφοβος-ος, ον,

affrighted, [NT+4th c.BC+]

LSJ Scripture Refs: LXX.Deut.9.19Mark.9.6