- The fervour or tireless devotion for a person, cause, or ideal and determination in its furtherance; diligent enthusiasm; powerful interest.
- She extols the virtues of veganism with missionary zeal.
- Synonyms: ardour, eagerness, enthusiasm, intensity, passion
- Antonyms: apathy
- 1611, King James Version of the Bible, Epistle to the Romans 10.2,
- […] I bear them record that they have a zeal of God, but not according to knowledge.
- 1687, John Dryden, The Hind and the Panther, London: Jacob Tonson, Part 3, p. 96,
- Zeal, the blind conductor of the will
- 1779, David Hume, Dialogues Concerning Natural Religion, Part 12, pp. 143-144,
- […] the highest zeal in religion and the deepest hypocrisy, so far from being inconsistent, are often or commonly united in the same individual character.
- 1815, Jane Austen, Emma (novel), London: John Murray, Volume 1, Chapter 14, p. 250,
- [He] would begin admiring her drawings with so much zeal and so little knowledge as seemed terribly like a would-be lover,
- 1962, Rachel Carson, Silent Spring, Boston: Houghton Mifflin, Chapter 15, p. 248,
- The stockman’s zeal for eliminating the coyote has resulted in plagues of field mice, which the coyote formerly controlled.
- (obsolete) A person who exhibits such fervour or tireless devotion.
- Synonyms: zealot
- 1614, Ben Jonson, Bartholomew Fair (play), London: Robert Allot, Act V, Scene 5, p. 85,
- […] like a malicious purblinde zeale as thou art!
- 1642, Thomas Browne, Religio Medici, London: Andrew Crooke, p. 5,
- […] there are questionlesse both in Greeke, Roman and Africa Churches, solemnities, and ceremonies, whereof the wiser zeales doe make a Christian use, and stand condemned by us;
- The collective noun for a group of zebras.
- Synonyms: dazzle, herd
- French: zèle, assiduité
- German: Eifer, Begeisterung
- Italian: zelo
- Portuguese: zelo
- Russian: рве́ние
- Spanish: ahínco, fervor, celo, entusiasmo, denuedo