Lexical Definition

‎νικάω‎ nikáō (nik-ah'-o) to conquer G:V
from ‎νίκη‎

conquer, overcome, prevail, get the victory.

Usage: 19 forms in 31 verses
Form Translated As     In Verse(s)
ἐνίκησεν has overcome Rev.5.5
ἐνίκησαν overcame Rev.12.11
ἐνίκησα overcame Rev.3.21
νικῶντι overcoming Rev.2.7Rev.2.17
νικῶντασ conquering Rev.15.2
νικῶν overcoming 1John.5.5Rev.2.11Rev.2.26Rev.3.5Rev.3.12Rev.3.21Rev.6.2Rev.21.7
νικῶ do be overcome Rom.12.21
νικῆσαι to overcome Rev.13.7
νικᾷ overcomes 1John.5.4
νικήσῃ he may conquer Rev.6.2
he may overcome Luke.11.22
νικήσησ should overcome LXX.Ps.51.4
νικήση overcome you LXX.Prov.6.25
νικήσεισ will prevail Rom.3.4
νικήσει he will overcome Rev.11.7
will overcome Rev.17.14
νικήσασα having overcome 1John.5.4
νικήσαι for me to overcome LXX.Hab.3.19
νενικήκατε have overcome 1John.4.4
you have overcome 1John.2.131John.2.14
νενίκηκα have overcome John.16.33
νίκα do overcome Rom.12.21

Abbott-Smith

νικάω, -ῶ (< νίκη), [in LXX: Ps 50 (51):4* (זכה), Pr 6:25 freq. (חמד); freq. in IV Mac;]
to conquer, prevail: absol., of Christ, Re 3:21 6:2; c. inf., Re 5:5; of Christians, Re 2:7, 11, 17, 26 3:5, 12, 21 21:7; seq. ἐκ (RV, come victorious from), Re 15:2; as law-term (cl.), Ro 3:4(LXX); c. acc. pers., Lk 11:22, Re 11:7 13:7 ([WH], R, mg., om.); of Christ, Jo 16:33 (τ. κόσμον), Re 17:14; of Christians, I Jo 4:4; τ. πονηρόν, I Jo 2:13, 14; αὐτόν (ref. to ὁ κατήγωρ, ib. 2:10), Re 12:11; c. acc. rei, τὸν κόσμον, Jo 16:33, I Jo 5:4, 5; τὸ κακόν, Ro 12:21; pass., μὴ νικῶ ὑπὸ τ. κακοῦ, ib. (cf. ὑπερ-νικάω).†

Abbott-Smith References

Book Refs
Psalms 51:4*
Proverbs 6:25
Luke 11:22
John 16:33
Romans 3:4 · 12:21
1 John 2:10 · 2:13 · 2:14 · 4:4 · 5:4 · 5:5
Revelation 2:7 · 2:11 · 2:17 · 2:26 · 3:5 · 3:12 · 3:21 · 5:5 · 6:2 · 11:7 · 12:11 · 13:7 · 15:2 · 17:14 · 21:7

Liddell-Scott-Jones

νικάω,

Ionic dialect νικέω [NT+4th c.BC+]; Aeolic dialect νίκημι [Refs 3rd c.BC+]; also in imperfect νίκη conjecture in [Refs 5th c.BC+]: Epic dialect imperfect 1st pers. plural νικάσκομεν [Refs 8th c.BC+]future -ήσω, later -ήσομαι[Refs 4th c.AD+]; Doric dialect 2nd pers. singular νικαξῇ variant in [Refs 3rd c.BC+]perfect νενίκηκα, etc.: (νίκη):

__I absolutely, conquer, prevail in battle, in the games, or in any contest, [Refs 8th c.BC+]; νικήσας the conqueror,[Refs 5th c.BC+]; νικηθείς the conquered, [Refs 8th c.BC+]; ἐνίκησα καὶ δεύτερος καὶ τέταρτος ἐγενόμην I won the first prize [at Olympia], etc., [Refs 5th c.BC+]: present frequently in sense, to be (or be proclaimed) conqueror, [Refs 5th c.BC+]; νικᾶν πᾶσι τοῖς κριταῖς or ἑνὶ κριτῇ in their opinion, [Refs 5th c.BC+]; πολὺ ν. win a decisive victory, [Refs 5th c.BC+] in boxing, [Refs 8th c.BC+]; ἵππῳ [Refs 5th c.BC+] he won all the bouts, [Refs 8th c.BC+]; τὰ κοῦφα, τὰ μείζοναν., [Refs 5th c.BC+]; ναυμαχίαν, μάχας, [Refs 5th c.BC+] to be conqueror in the Olympian games, [Refs 5th c.BC+]; πολλοὺς ἀγῶνας οὐ παγκρατίῳ μόνον, κτλ., [Refs 1st c.AD+]; Ὀλυμπίασι παῖδας στάδιον ν. conquer in the boys' race in the stadium at Olympia, [Refs 4th c.BC+] Diog.Cyn. cited in [Refs 3rd c.AD+]: also in Attic dialect Inscrr. with genitive, Λεωντὶς ἀνδρῶν ἐνίκα [Refs] win a victory, [Refs 5th c.BC+]; also ν. τρίποδα win it, [Refs 4th c.BC+]
__I.2 prevail, be superior, μύθοισιν, ἔγχεϊ, [Refs 8th c.BC+]; κάλλει ἐνίκα (i.e. κρητήρ) [Refs 8th c.BC+]: with participle, εὐεργετῶν ν. [Refs 5th c.BC+]
__I.3 of opinions, etc., βουλὴ κακὴ νίκησεν the evil counsel prevailed, [Refs 8th c.BC+]; ἐκ τῆς νικώσης [γνώμης] according to the prevailing opinion, vote of the majority, [Refs 5th c.BC+]is carried, [Refs 5th c.BC+]: frequently of orators, νικᾷ.. κακὸς ἐν πλήθει λέγων [Refs 5th c.BC+] it was resolved, with infinitive, ἐνίκα μὴ ἐκλιπεῖν τὴν πόλιν it was carried not.., [Refs 5th c.BC+]; ἐνίκησε.. λοιμὸν εἰρῆσθαι it was the prevailing opinion that.., [Refs 5th c.BC+]; ἐν δημοκρατίᾳ νικᾷ ζῆν it is preferable.., [Refs 5th c.BC+]
__I.4 with infinitive, succeed in.., ἐνίκησε σκορπίσαι [Refs]
__I.5 as law-term, ν. τὴν δίκην win one's cause, [Refs 5th c.BC+]; νικήσεις ἐν τῷ κρίνεσθαί σε [NT]:—passive, with genitive, αἴ κα νικαθῇ τῶν ἐνεχύρων [Refs 5th c.BC+]; see below 11.
__II with accusative, conquer, vanquish, Ἕκτορα [Refs 8th c.BC+]; πάντα ν. ἄνδρα.. κακοῖσιν surpass him in miseries, [Refs 5th c.BC+]; μὴ φῦναι τὸν ἅπαντα νικᾷ λόγον excels the whole account, [NT+5th c.BC+]:—passive, ἔστιν τῶν ἄθλων δὶς ἕκαστος ἐνικήθη [Refs 5th c.BC+]: with participle, ν. ἀλεξόμενός τινα [Refs]
__II.b as law-term [Refs 8th c.BC+]:—passive, δέ κα νικαθῇ [Refs]; also of objects in dispute, damages, etc., recover, [Refs]:—passive, to be assigned, adjudicated, [Refs]
__II.2 generally, overpower, especially of passions, etc., νόον νίκησε νεοίη [Refs 8th c.BC+]; βαρεῖαν ἡδονὴν νικᾶτέ με grievous is the pleasure ye win prevailing over me, [Refs 5th c.BC+]infinitive, μηδ᾽ βία σε.. νικησάτω τοσόνδε μισεῖν let not violence prevail on thee to.., [Refs] weighs with me more than enmity, from the comparable force in νικᾷ, [Refs]
__II.3 passive, to be vanquished, [Refs 8th c.BC+]participle νικηθείς (see. above [Refs]; νικᾶσθαι ὕπνῳ, κέρδεσιν, [Refs 5th c.BC+] with genitive of comparison, to be inferior, yield to, [Refs 5th c.BC+]; ξείνων νενίκανται θύραι the doors give way to the guests, [Refs 5th c.BC+]

LSJ Scripture Refs: Rev.2.7Rom.3.4Rom.12.21