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1Typical or characteristic of a zealot or zealots; characterized by (excessive) zeal.
2historical Chiefly with capital initial. Of, relating, or belonging to the Zealots. Compare zealotist .
Mid 17th century; earliest use found in John Gauden (c1599–1662), bishop of Worcester. Partly from ancient Greek ζηλωτικός jealous, in Byzantine Greek also zealous from ζηλωτής + -ικός.