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Synonyms

ardor

American  
[ahr-der] / ˈɑr dər /
especially British, ardour

noun

  1. great warmth of feeling; fervor; passion.

    She spoke persuasively and with ardor.

    Synonyms:
    intensity, earnestness, spirit, fervency
  2. intense devotion, eagerness, or enthusiasm; zeal.

    his well-known ardor for Chinese art.

  3. burning heat.


Etymology

Origin of ardor

1350–1400; Middle English < Latin, equivalent to ārd ( ēre ) to burn + -or -or 1; replacing Middle English ardure < Old French ardur < Latin, as above; 17th century ardour < Anglo-French < Latin, as above

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Happily, Mr. Hamilton, who retains his boyish handsomeness, infuses this recollected ardor with convincing feeling.

From The Wall Street Journal • Mar. 5, 2026

A fetching lass in Regency garb and her paramour, confessing his ardor.

From Los Angeles Times • Feb. 9, 2026

That hasn’t dimmed the ardor of rich Indian families for pre-IPO investment yet, Pasupuleti says.

From Barron's • Nov. 20, 2025

Van Patten and De Domenico plausibly capture that youthful ardor while making it obvious why their displays of affection translate poorly to local police officials unprepared to investigate a murder that quickly drew international scrutiny.

From Salon • Aug. 20, 2025

It was in those moments, when she felt their coolness, that she reached back to revive her first ardor and said it again.

From "Atonement" by Ian McEwan