Lexical Definition

‎γρηγορεύω‎ grēgoreúō (gray-gor-yoo'-o) to keep watch G:V
from ‎ἐγείρω‎

be vigilant, wake, (be) watch(-ful).

Usage: 16 forms in 29 verses
Form Translated As     In Verse(s)
ἐγρηγόρησεν he had watched Matt.24.43
he watched Luke.12.39
εγρηγόρουν I was vigilant LXX.Jer.31.28
εγρηγόρησεν acted vigilant LXX.Jer.5.6
εγρηγόρησε was vigilant LXX.Dan.9.14
εγρηγορήθη He was vigilant LXX.Lam.1.14
γρηγορῶν watching Rev.3.2Rev.16.15
γρηγορῶμεν we may watch 1Thess.5.6
we shall watch 1Thess.5.10
γρηγορῇ he may keep watch Mark.13.34
γρηγορῆσαι to watch Matt.26.40Mark.14.37
γρηγοροῦντεσ watching Col.4.2
γρηγοροῦντασ watching Luke.12.37
γρηγορούντων vigilant LXX.Neh.7.3
γρηγορήσῃσ you shall watch Rev.3.3
γρηγορήσω I will be vigilant LXX.Jer.31.28
γρηγορήσατε do watch 1Pet.5.8
Γρηγορεῖτε do keep watch Matt.24.42
do watch Matt.25.13Matt.26.38Matt.26.41Mark.13.35Mark.13.37Mark.14.34Mark.14.38Acts.20.311Cor.16.13

Abbott-Smith

γρηγορέω, -ῶ, = Attic ἐργήγορα, pf. of ἐγείρω, q.v., [in LXX (later bks. only) chiefly for שׁקד ;]

1. to be awake; metaph., of being alive, I Th 5:10.
2. to watch: Mt 24:43 26:38, 40 Mk 13:34 14:34, 37 Lk 12:37, 39; metaph., Mt 24:42 25:13 26:41, Mk 13:35, 37 14:38, Ac 20:31, I Co 16:13, I Th 5:6, I Pe 5:8, Re 3:2, 3 16:15; seq. ἐν, Col 4:2. (Cf. δια-γρηγορέω.†
SYN.: v.s. ἀγρθπνέω.

Abbott-Smith References

Book Refs
Matthew 24:42 · 24:43 · 25:13 · 26:38 · 26:40
Mark 13:34 · 13:35 · 14:34 · 14:37
Luke 12:37
Acts 20:31
1 Corinthians 16:13
Colossians 4:2
1 Thessalonians 5:6 · 5:10
1 Peter 5:8
Revelation 3:2 · 3:3 · 16:15

Liddell-Scott-Jones

γρηγορέω-έω,

late present, formed from perfect ἐγρήγορα (which see), to be or become fully awake, watch, [LXX+NT+3rd c.AD+]; ἐπὶ τὰς πόλεις[LXX]passive, γρηγορέωήθη ἐπὶ τὰ ἀσεβήματά μου[LXX]; opposed to καθεύδω, of life opposed to death, [NT]

LSJ Scripture Refs: LXX.Neh.7.3Matt.24.43LXX.Jer.5.6LXX.Lam.1.141Thess.5.10