Quick Definition
full of fear, terrified
Strong's Definition
in fear, i.e. alarmed
Derivation: from G1722 (ἐν) and G5401 (φόβος);
KJV Usage: affrighted, afraid, tremble
Thayer's Greek Lexicon
ἔμφοβος (see ἐν, III. 3), ἐμφοβον,(φόβος), thrown into fear, terrified, affrighted: Luk_24:5,(37); Act_10:4; (Act_22:9 Rec.); ; Rev_11:13. Theophrastus, char. 25 (24), 1; (1Ma_13:2; in a good sense, Sir_19:24 (21)). (Actively, inspiring fear, terrible, Sophocles O. C. 39.)
Mounce Concise Greek Dictionary
ἔμφοβος emphobos 5x
terrible; in NT terrified, Luk_24:5 ; Luk_24:37 ; Act_10:4 ; Act_24:25 ; Rev_11:13
Abbott-Smith Greek Lexicon
** ἔμ -φοβος ,
[in LXX : Sir_19:24 , 1Ma_13:2 * ;]
1. terrible .
2. in fear (of Godly fear, Sir_19:24 ), terrified: Luk_24:5 ; Luk_24:37 , Act_10:4 ; Act_24:25 , Rev_11:13 .†
Moulton & Milligan — Vocabulary of the Greek NT
ἔμφοβος [page 208]
P Leid W xix. 35 (ii/iii A.D.) ἐπικαλοῦμαί σου τὸ (ονομα ) . . . ἔσται σισμός ( l. σεισμός ), ὁ (ἥλιος ) στήσεται , καὶ ἡ σελήνη ἔνφωβος ( l. ἔμφοβος ) ἔσται , καὶ ἡ ( l. αἱ ) πέτραι , καὶ τὰ ὄρη . . .. ὑποπετρωθήσεται κτλ . See also Vett. Val. P. 59 .7 εἰς στασιώδεις καὶ ἐμφόβους , where however the reading is doubtful. The verb is found BGU II. 613 .18 (time of Anton. Pius) ἐμφοβοῦντες .
Liddell-Scott — Intermediate Greek Lexicon
ἔμφοβος ἔμ-φοβος, ον (adj e)m-fob os_on ) [Etym: ἐν] "terrible", Lat. formidolosus, Soph.
STEPBible — Tyndale Abridged Greek Lexicon
ἔμ-φοβος
[in LXX: Sir.19:24, 1Ma.13:2 * ;]
__1. terrible.
__2. in fear (of Godly fear, Sir.19:24), terrified: Luk.24:5, 37, Act.10:4 24:25, Rev.11:13.†
(AS)