Zealous

Vine's Expository Dictionary of NT Words

A — 1: Ζηλωτής (Strong'S #2207 — Noun Masculine — zelotes — dzay-lo-tace' )

is used adjectivally, of "being zealous" (a) "of the Law,"  Acts 21:20; (b) "toward God," lit., "of God,"  Acts 22:3 , RV, "for God;" (c) "of spiritual gifts,"  1—Corinthians 14:12 , i.e., for exercise of spiritual gifts (lit., "of spirits," but not to be interpreted literally); (d) "for (AV, 'of') the traditions of my fathers,"  Galatians 1:14 , of Paul's loyalty to Judaism before his conversion; (e) "of good works,"  Titus 2:14 .

 Acts 5:37 Luke 6:15 Acts 1:13 Matthew 10:4

B — 1: Ζηλόω (Strong'S #2206 — Verb — zeloo — dzay-lo'-o )

"to be jealous," also signifies "to seek or desire eagerly;" in  Galatians 4:17 , RV, "they zealously seek (you)," in the sense of taking a very warm interest in; so in  Galatians 4:18 , Passive Voice, "to be zealously sought" (AV, "to be zealously affected"), i.e., to be the object of warm interest on the part of others; some texts have this verb in  Revelation 3:19 (see No. 2). See Affect , Note, Covet , Desire , Envy , Jealous.

B — 2: Ζηλόω (Strong'S #2206 — Verb — zeleuo — dzay-lo'-o )

a late and rare form of No. 1, is found in the best texts in  Revelation 3:19 , "be zealous."

 Galatians 2:10Diligent

Webster's Dictionary

(1): ( a.) Filled with, or characterized by, zeal; warmly engaged, or ardent, in behalf of an object.

(2): ( a.) Filled with religious zeal.

King James Dictionary

Zealous a. Zelus. Warmly engaged or ardent in the pursuit of an object.

Being thus saved himself, he may be zealous in the salvation of souls.