Dictionary entry

ζῆλος

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

ζῆλος, -ου, ὁ and in late Gk., also -εος, τό (II Co 9:2, Phl 3:6),

[in LXX for קִנְאָה, Nu 25:11, al.;]

1. zeal: II Co 7:119:2; κατὰ ζῆλος, Phl 3:6; c. gen. obj., Jo 2:17(LXX), Ro 10:2; seq. ὑπέρ, II Co 7:7; c. gen. subj., θεοῦ, II Co 11:2; πυρός, He 10:27 (cf. Is 26:11, Wi 5:18, and cf. Westc., in l.).

2. jealousy: Ro 13:13, I Co 3:3, II Co 12:20, Ga 5:20 (WH, txt, RV), Ja 3:14, 16; πλησθῆναι ζήλουAc 5:1713:45; pl., ζῆλοι (v. B1., § 32, 6), Ga 5:20, WH, mg.†