• WordNet 3.6
    • adj zealous marked by active interest and enthusiasm "an avid sports fan"
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: For hundreds of years, the Chinese zealously guarded the secret of sericulture; imperial law decreed death by torture to those who disclosed how to make silk.
    • Zealous Filled with religious zeal.
    • Zealous Filled with, or characterized by, zeal; warmly engaged, or ardent, in behalf of an object. "He may be zealous in the salvation of souls.""He may be zealous in the salvation of souls."
    • ***
Century Dictionary and Cyclopedia
    • zealous Full of or incited by zeal; jealous for the good or the promotion of some person or object; ardent; eager; fervent; devoted.
    • zealous Caused by or manifesting zeal; due to earnest devotion; of an ardent character or quality.
    • zealous Synonyms Forward, enthusiastic, fervid, keen. See zeal.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Zealous (zel′-) full of zeal: warmly engaged or ardent in anything
    • ***


  • Ambrose Bierce
    “Bigot, one who is obstinately and zealously attached to an opinion that you do not entertain.”
  • Peter Jennings
    Peter Jennings
    “I've always been very zealous about not invading other people's private spaces.”
  • Franz Grillparzer
    Franz Grillparzer
    “Oh that wisdom was half as zealous for converts as ridicule.”
  • Oliver Goldsmith
    “I do not love a man who is zealous for nothing.”
  • William Shenstone
    William Shenstone
    “Zealous men are ever displaying to you the strength of their belief. while judicious men are showing you the grounds of it.”


Webster's Revised Unabridged Dictionary
LL. zelosus,. See Zeal
Chambers's Twentieth Century Dictionary
O. Fr. zele—L. zelus—Gr. zēlos, zeein, to boil. Cf. Yeast.


In literature:

Doubtless the animal was of some new species, but the zealous naturalist never gave it to the world.
"The Scalp Hunters" by Mayne Reid
The Presbyterian church from the beginning has been a zealous missionary organization.
"The Choctaw Freedmen" by Robert Elliott Flickinger
His quarters were in the Court House building, and he kept a zealous eye upon sutlers and citizens.
"Campaigns of a Non-Combatant," by George Alfred Townsend
He is, however, zealous in his duties, and much liked by the people.
"Fair Italy, the Riviera and Monte Carlo" by W. Cope Devereux
Zealous, or rash, or finished scholars, my young sons at home do not know what pruning they still need!
"The Sayings Of Confucius" by Confucius
The ejected clergy had been zealous in promoting the insurrection, and they were forbidden in revenge to act as chaplains or as tutors.
"History of the English People, Volume VI (of 8)" by John Richard Green
His early life had been spent among liberal politicians: he was a zealous advocate of freedom, but still more of knowledge and virtue.
"The History of Tasmania, Volume I (of 2)" by John West
Female education has been zealously prosecuted under the direction of Mr. Budden's daughters.
"Life and Work in Benares and Kumaon, 1839-1877" by James Kennedy
The Lords were as zealous and as hasty as the Commons.
"Memoirs of Extraordinary Popular Delusions and the Madness of Crowds" by Charles Mackay
He became a most zealous churchman, and a very short time elapsed until the Scotch schoolmaster was the Hon.
"The Rise of Canada, from Barbarism to Wealth and Civilisation" by Charles Roger

In poetry:

God is a zealous pruner,
For He knows--
Who, falsely tender, spares the knife
But spoils the rose.
"The Pruner" by John Oxenham
I value
More than I can say your manner
Towards my son, so kind, so zealous
For his health.
"The Purgatory Of St. Patrick - Act III" by Denis Florence MacCarthy
For Thee, O God, our constant praise
In Zion waits, Thy chosen seat;
Our promised altars we will raise,
And there our zealous vows complete.
"For Thee, O God, our constant praise" by Nahum Tate and Nicholas Brady
Rarely hath he crossed the threshold,
Yet the thought that he hath crossed it,
Burns like poison in the marrow
Of the zealous youth Pedrillo.
"Don Pedrillo" by Emma Lazarus
So oft when Sabbaths bade us rest,
And heavenly zeal inspired your breast,
Obedient to the high behest
You preached to all,
Whilst God your zealous efforts blessed,
And owned your call.
"Epistle To The Rev. J--- B---, Whilst Journeying For The Recovery Of His Health" by Patrick Branwell Bronte
Seek thou God's glory, in the foremost place,
Seek, next, the things above this earthly ball,
Seek then with zealous earnestness his grace,
Seek all thou wantest, thou shalt have it all.
"Advice To Prepare Ourselves, Before We Come To Worship God In Public" by Rees Prichard

In news:

Traditional professional investors--Asness calls them "quals"--search zealously for a handful of undervalued companies in which to invest.
Chicago aldermen go after criminally zealous recyclers.
It takes some doing to explain how abandoning your case because you think you might win it is consistent with a lawyer's duty to be a zealous advocate.
Students will benefit from zealous adherence to rules.
Their zealous attention to detail and penchant for inspection results in homes that are buttoned up tight.
A diabetic's best friend and zealous lifesaver.
' Zealous advocate' wanted to be lawyer from second grade.
11 straight days without sleep to watch TV, KILLED a zealous soccer fan.
Romney advisers are zealous on Sudan, but is he.
Zealously appropriating public land for the cause.
A Pond That Is Zealously Protected.
Aside from my overall hatred for clothes shopping, I also can't stand over-zealous retail employees.
A diabetic 's best friend and zealous lifesaver.
Eliot and zealous guardian of the poet's literary legacy for almost half a century, has died.
A diabetic's best friend and zealous lifesaver .

In science:

It thus appears we were over-zealous in our attempt to measure SBF distances for every possible Cepheid-bearing galaxy. A similar problem may affect the SBF distance for the edge-on disk galaxy NGC 3115.
Distances from Surface Brightness Fluctuations