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Intensity of emotion, especially strong desire, enthusiasm, or devotion. See Synonyms at passion.

[Middle English ardour, from Old French, from Latin ārdor, from ārdēre, to burn; see as- in Indo-European roots.]


(ˈɑr dər)

1. great warmth of feeling; fervor.
2. intense devotion; zeal.
3. burning heat.
Also, esp. Brit., ar′dour.
[1350–1400; Middle English < Latin, =ārd(ēre) to burn + -or -or1]
usage: See -or1.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ardor - a feeling of strong eagerness (usually in favor of a person or cause); "they were imbued with a revolutionary ardor"; "he felt a kind of religious zeal"
avidity, avidness, eagerness, keenness - a positive feeling of wanting to push ahead with something
2.ardor - intense feeling of loveardor - intense feeling of love    
love - a strong positive emotion of regard and affection; "his love for his work"; "children need a lot of love"
3.ardor - feelings of great warmth and intensityardor - 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"


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


(American) ardor (ˈaːdə) noun
enthusiasm; passion.


n. ardor, sensación quemante.
References in classic literature ?
From fire to oil was a natural transition for burned fingers, and Amy fell to painting with undiminished ardor.
He fell in love, as men are in the habit of doing, and pressed his suit with an earnestness and an ardor which left nothing to be desired.
exclaimed the scout, whose eyes began to glisten with the ardor of his usual occupation; "if they come within range of a bullet I will drop one, though the whole Six Nations should be lurking within sound
But when, some year or two afterwards, Moby Dick was fairly sighted from the mast-heads, Macey, the chief mate, burned with ardor to encounter him; and the captain himself being not unwilling to let him have the opportunity, despite all the archangel's denunciations and forewarnings, Macey succeeded in persuading five men to man his boat.
All of this, however, did not chill their ardor as much as might have been expected, because of the volubility of the agent.
His hands, large and coarse, were plentifully bedecked with rings; and he wore a heavy gold watch-chain, with a bundle of seals of portentous size, and a great variety of colors, attached to it,--which, in the ardor of conversation, he was in the habit of flourishing and jingling with evident satisfaction.
would have damped their ardor at once, reduced them from venison to beef, and stiffened their sides and sinews like the locomotive.
This in itself was enough to damp the ardor of my enthusiasm.
On the expiration of the half-hour Noel Vanstone presented himself at North Shingles, with the ardor of a lover burning inextinguishably in his bosom, through the superincumbent mental fog of a thoroughly bewildered man.
So spake the Sovran voice, and Clouds began To darken all the Hill, and smoak to rowl In duskie wreathes, reluctant flames, the signe Of wrauth awak't: nor with less dread the loud Ethereal Trumpet from on high gan blow: At which command the Powers Militant, That stood for Heav'n, in mighty Quadrate joyn'd Of Union irresistible, mov'd on In silence thir bright Legions, to the sound Of instrumental Harmonie that breath'd Heroic Ardor to advent'rous deeds Under thir God-like Leaders, in the Cause Of God and his MESSIAH.
Agatha, though void of emulation for the Cambridge Local, always competed with ardor for the honor of being first up or down stairs.
He was very ill, and it required all my ardor as an historian pledged to the truth to persuade him to live the incredible tragedy over again for my benefit.