Zeal (zēl), n. [F. zèle; cf. Pg. & It. zelo, Sp. zelo, celo; from L. zelus, Gr. &unr_;, probably akin to &unr_; to boil. Cf. Yeast, Jealous.]
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1. Passionate ardor in the pursuit of anything; eagerness in favor of a person or cause; ardent and active interest; engagedness; enthusiasm; fervor. “Ambition varnished o'er with zeal.” Milton. “Zeal, the blind conductor of the will.” Dryden. “Zeal's never-dying fire.” Keble.
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I bear them record that they have a zeal of God, but not according to knowledge. Rom. x. 2.
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A zeal for liberty is sometimes an eagerness to subvert with little care what shall be established. Johnson.
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2. A zealot. [Obs.] B. Jonson.
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