Quick Definition
διαγρηγορέω v. I awake out of sleep, am thoroughly awake
Strong's Definition
from 1223 and 1127; to waken thoroughly
KJV Usage: be awake
UBS Dictionary of the Greek New Testament
verb | ἐγείρω
23.76 · Physiological Processes and States · Sleep, Waking
to become fully awake to awaken completely from sleep
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
δια-γρηγορέω, -@: 1 aor. διεγρηγόρησα; to watch through, (Hdian. 3, 4, 8 [4 ed. Bekk.] πάσης τῆς νυκτὸς... διαγρηγορήσαντες, Niceph. Greg. Hist. Byz. p. 205 f. and 571 a.) ; to remain awake: Lk. ix. 32 (for they had overcome the force of sleep, with which they were weighed down, βεβαρημ. ὕπνῳ) ; [al. (e.g. R. V. txt.) to be fully awake, ef. Niceph. τ. s. p. 205 f. δόξαν ἀπεβαλόμην ὥσπερ οἱ διαγρηγορήσαντες Ta ἐν τοῖς ὕπνοις ὀνείρατα; Win. De verb. comp. ete. Pt. v. p. 11 sq.].
Mounce Concise Greek Dictionary
διαγρηγορέω diagrēgoreō 1x
to remain awake; to wake thoroughly, Lk. 9:32*
Abbott-Smith Greek Lexicon
*† δια-γρηγορέω, -ῶ prop., to remain awake (R, mg.);
to be fully awake (R, txt.): Lk 9:32.†
Liddell-Scott-Jones — Greek-English Lexicon
διαγρηγορέω (diagrēgoreō) — to wake. διαγρηγορέω, start into full wakefulness, [NT]; keep awake, πάσης τῆς νυκτὸς ἐν φροντίσιν καὶ δέει δ. [Refs 2nd c.AD+]