Home › Words › Z › zealousyzealousyzealousy means zeal; zealotry.EtymologyFrom Ancient Greek ζῆλος (zêlos, “zeal, jealousy”), from ζηλόω (zēlóō, “to emulate, to be jealous”), equivalent to zealous + -y.nounZeal; zealotry.The passionate desire for an exclusive relationship.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.zeal 74% match — The fervour or tireless devotion for a person, cause, or ideal and determination in its furtherance; diligent enthusiasm; powerful interest. vs zealousy →zealotism 73% match — The character or conduct of a zealot; zealotry. vs zealousy →zealotical 73% match — Zealotic. vs zealousy →zealant 72% match — A zealot. vs zealousy →zealful 71% match — Full of zeal. vs zealousy →jealously 70% match — In a jealous manner. vs zealousy →zealed 68% match — Full of zeal. vs zealousy →overzeal 68% match — Excessive zeal. vs zealousy →