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1. Great warmth and intensity of emotion. See Synonyms at passion.
2. Intense heat.

[Middle English fervour, from Old French, from Latin fervor, from fervēre, to boil; see bhreu- in Indo-European roots.]


(ˈfɜr vər)

1. great warmth and earnestness of feeling; passion; zeal: to defend a cause with fervor.
2. intense heat.
Also, esp. Brit.,fer′vour.
[1350–1400; Middle English < Anglo-French < Latin fervor heat]
fervency, fervor - The intensity of heat or feeling can be described as fervency, from Latin fervere, "boil"; an instance of this heat or feeling is fervor.
See also related terms for intensity.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.fervor - feelings of great warmth and intensityfervor - feelings of great warmth and intensity; "he spoke with great ardor"
passion, passionateness - a strong feeling or emotion
zeal - excessive fervor to do something or accomplish some end; "he had an absolute zeal for litigation"
2.fervor - the state of being emotionally aroused and worked upfervor - the state of being emotionally aroused and worked up; "his face was flushed with excitement and his hands trembled"; "he tried to calm those who were in a state of extreme inflammation"
emotional arousal - the arousal of strong emotions and emotional behavior
fever pitch - a state of extreme excitement; "the crowd was at fever pitch"
sensation - a state of widespread public excitement and interest; "the news caused a sensation"


1. Powerful, intense emotion:
2. Passionate devotion to or interest in a cause or subject, for example:
3. Intense warmth:


(American) fervor (ˈfəːvə) noun
enthusiasm and strength of emotion. He spoke with fervour.
References in classic literature ?
If god spares Beth, I'll try to love and serve Him all my life," answered Jo, with equal fervor.
With a kind of religious fervor he had managed to go through the pitfalls of his youth and to remain virginal until after his marriage.
Not with such fervor prays the torpid recluse, looking forward to the cold, sunless, stagnant calm of a day that is to be like innumerable yesterdays.
Once more he cudgelled the sides of the inflexible Gunpowder, and, shutting his eyes, broke forth with involuntary fervor into a psalm tune.
with all the fervor of a camp-meeting;--while old Cudjoe, rubbing his eyes very hard with his cuffs, and making a most uncommon variety of wry faces, occasionally responded in the same key, with great fervor.
Many critics consider this leather too cold in tone; but I consider this its highest merit, since it was evidently made so to emphasize by contrast the impassioned fervor of the hasp.
At intervals during the day, whenever he was alone, he took out the glove and kissed it with a devotion which was almost passionate in its fervor.
They had resided in a city, the seat of a university, where the polemical and political controversies of the time were pursued with uncommon fervor.
In the first fervor of royalty, during the year 1816, those who later were called Jesuits were all for the expulsion of the Abbe Francois from his parish.
I can't forget how he prayed with almost equal fervor for a cat, and then tried to tear my throat out with his teeth.
Then she continued her singing with inexpressible fervor and feeling.
The pedlar meditated with much fervor on the charms of the young schoolmistress, and swore that Daniel Webster never spoke nor looked so like an angel as Miss Higginbotham, while defending him from the wrathful populace at Parker's Falls.