zealous en · ADJ
Pronunciation
Etymology
Etymology tree Proto-Indo-European *yeh₂- Proto-Indo-European *-los Proto-Indo-European *yéh₂los Ancient Greek ζῆλος (zêlos)bor. Latin zēlus Proto-Indo-European *h₃ed- Proto-Indo-European *-os Proto-Indo-European *h₃édosder.? Proto-Italic *-ŏ̄dsos? Old Latin -ōssus Latin -ōsus Latin zēlōsusder. Middle English zelose English zealous From Middle English zelose, from Latin zēlōsus, from zēlus + -ōsus, from Ancient Greek ζῆλος (zêlos, “zeal, jealousy”), from ζηλόω (zēlóō, “to emulate, to be jealous”). By surface analysis, zeal + -ous. Doublet of jealous.
Meanings
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Full of zeal; ardent, fervent; exhibiting enthusiasm or strong passion, particularly in matters of religion.
Britain’s police are especially zealous. Officers spend thousands of hours sifting through potentially offensive posts and arrest 30 people a day. Among those collared were a man who ranted about immigration on Facebook and a couple who criticised their daughter’s primary school.
2025 May 15, “Europe’s free-speech problem”, in The Economist:[S]orting them into ſeveral congregations of a moderat number, out of the ableſt and zealouſeſt among them to create elders, who, exerciſing and requiring from themſelves what they have learnd (for no learning is retaind without conſtant exerciſe and methodical repetition) may reach and govern the reſt: […]
1659, J[ohn] M[ilton], Considerations Touching the Likeliest Means to Remove Hirelings out of the Church. […], London: […] T[homas] N[ewcombe] for L[ivewell] Chapman […], →OCLC, page 90:They neuer paſſe for the procuring of Gods honor, neither regard they how much they be bound vnto him. But euery man in the meane ſeaſon followes his owne likings. One burnes in couetouſneſſe, and another in vaine glorie, ſeeking to be aduaunced to authoritie and honour, and to bee taken to be I wote not what. Thus ye ſee at what point they bee, which will needes be taken to bee greateſt and zealouſeſt Chriſtians.
1583, Iohn Calvin, translated by Arthur Golding, “On Wednesday the xxj. of August. 1555. The Threescore Sermon, Which Is the Third vpon the Eight Chapter.”, in The Sermons of M. Iohn Calvin vpon the Fifth Booke of Moses Called Deuteronomie: […], London: […] Henry Middleton for Thomas Woodcocke, →OCLC, page 362, columns 1–2:I had almoſt forgotten to acquaint your honor, that one major Alford (who was in mr. Love's conſpiracy) was of the graund inqueſt at Saliſbury, and was very zealous in his highneſſe ſervice here, and his good affection and wiſe carriage here, did much advantage the buſſineſe.
1655 April 21, “Mr. Ja. Nutley to ſecreary Thurloe.”, in A Collection of the State Papers of John Thurloe, Eſq; […], volume III, London: […] the Executor of the late Mr. Fletcher Gyles; Thomas Woodward, […] Charles Davis, […], published 1742, page 399:Newt Gingrich […] left Congress in 1998, following GOP midterm-election losses that many blamed on his zealous pursuit of Bill Clinton's impeachment.
2011 April 4, “Newt Gingrich”, in Time, New York, N.Y.: Time Inc., →ISSN, →OCLC, archived from the original on 20 Jul 2014:Doubtless many will exclaim against the Roman Catholic Church for this; but the simple truth is that Protestantism was no less zealous against the new scientific doctrine.
1896, Andrew Dickson White, A History of the Warfare of Science with Theology in Christendom, published 2004, page 122:Johnſon was truly zealous for the ſucceſs of "The Adventurer;" and very ſoon after his engaging in it, he wrote the following letter […]
1791, James Boswell, “[1753]”, in James Boswell, editor, The Life of Samuel Johnson, LL.D. […], volume I, London: […] Henry Baldwin, for Charles Dilly, […], →OCLC, page 136:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| more zealous | Degree=Cmp | lexicographic | |
| zealouser | Degree=Cmp | nonstandard, uncommon | lexicographic |
| zelous | alternative, obsolete | lexicographic | |
| most zealous | Degree=Sup | lexicographic | |
| zealousest | Degree=Sup | nonstandard, uncommon | lexicographic |
Antonyms
dispassionate · apathetic · unenthusiastic · indifferent
Deriveds
overzealous · unzealous · zealousy · ultrazealous · zealousness · zealously · zealous witness · nonzealous · miszealous · superzealous
Relateds
zealotry · zealotical · zealotic · zealot · jealous · zeal
Synonyms
ardent · passionate · eager · enthusiastic · fervent · vehement · zealotic
Translations (81)
no flittig (full of zeal; ardent) · pl zagorzały (full of zeal; ardent) · ar مُتَحَمِّس (full of zeal; ardent) · hi उत्साही (full of zeal; ardent) · no engasjert (full of zeal; ardent) · sv entusiastisk (full of zeal; ardent) · pt zeloso (full of zeal; ardent) · gd dealasach (full of zeal; ardent) · ru усе́рдный (full of zeal; ardent) · bg усърден (full of zeal; ardent) · th กระเหี้ยนกระหือรือ (full of zeal; ardent) · es celoso (full of zeal; ardent) · cy selog (full of zeal; ardent) · es afanoso (full of zeal; ardent) · sv nitisk (full of zeal; ardent) · kw diwysyk (full of zeal; ardent) · fi intohimoinen (full of zeal; ardent) · ia zelose (full of zeal; ardent) · hy եռանդուն (full of zeal; ardent) · lt pavydus (full of zeal; ardent) · gl celoso (full of zeal; ardent) · et innukas (full of zeal; ardent) · es zeloso (full of zeal; ardent) · ja 熱心な (full of zeal; ardent) · nl vlijtig (full of zeal; ardent) · io zeloza (full of zeal; ardent) · mi ngākaunui (full of zeal; ardent) · af ywerig (full of zeal; ardent) · mi ngangahau (full of zeal; ardent) · ckb پەروەر (full of zeal; ardent) · no ivrig (full of zeal; ardent) · hy փութաջան (full of zeal; ardent) · gd dian (full of zeal; ardent) · sv hänförd (full of zeal; ardent) · ka გულმოდგინე (full of zeal; ardent) · ru ре́вностный (full of zeal; ardent) · la ardēns (full of zeal; ardent) · de begeistert (full of zeal; ardent) · da ivrig (full of zeal; ardent) · fi innokas (full of zeal; ardent) · la ācer (full of zeal; ardent) · hu buzgó (full of zeal; ardent) · da entusiastisk (full of zeal; ardent) · mi whiwhita (full of zeal; ardent) · et agar (full of zeal; ardent) · ar حَمَاسِيّ (full of zeal; ardent) · es zelote (full of zeal; ardent) · ota حرارتلو (full of zeal; ardent) · cmn 狂熱 /狂热 (full of zeal; ardent) · fr zélé (full of zeal; ardent) · sv hängiven (full of zeal; ardent) · sv ivrig (full of zeal; ardent) · sco guidwillt (full of zeal; ardent) · sh gorljiv (full of zeal; ardent) · grc πρόθυμος (full of zeal; ardent) · mi whitawhita (full of zeal; ardent) · th กระตือรือร้น (full of zeal; ardent) · es ahincado (full of zeal; ardent) · ru рья́ный (full of zeal; ardent) · it zelante (full of zeal; ardent) · eo fervora (full of zeal; ardent) · ka გულანთებული (full of zeal; ardent) · la studiōsus (full of zeal; ardent) · no nidkjær (full of zeal; ardent) · ga dúthrachtach (full of zeal; ardent) · chr ᎤᏚᎩᎠᏓᏕᎵᏎᏗ (full of zeal; ardent) · cmn 熱心 /热心 (full of zeal; ardent) · nl ijverig (full of zeal; ardent) · ca zelós (full of zeal; ardent) · cs horlivý (full of zeal; ardent) · io zelanta (full of zeal; ardent) · bg ревностен (full of zeal; ardent) · es celote (full of zeal; ardent) · es zelota (full of zeal; ardent) · tl salurapa (full of zeal; ardent) · de eifrig (full of zeal; ardent) · es celota (full of zeal; ardent) · txb spelkkessu (full of zeal; ardent) · pl żarliwy (full of zeal; ardent) · srn fayafaya (full of zeal; ardent) · pl zapamiętały (full of zeal; ardent)