Synonyms of ardor

ardor

noun

ˈär-dər 

1

as in enthusiasm

depth of feeling

candidates for citizenship reciting the oath of allegiance to the United States with all the ardor that they could muster

Synonyms & Similar Words

• enthusiasm
• intensity
• emotion
• intenseness
• warmth
• passionateness
• passion
• fervor
• zeal
• fervency
• violence
• vehemence
• heat
• fire
• ardency
• excitement
• tenderness
• white heat
• compassion
• fervidness
• responsiveness
• earnestness
• eagerness
• sentimentality
• sympathy
• zest
• gusto
• emotionalism
• emotionality
• cathexis
• infatuation
• obsession
• sentiment
• fanaticism
• histrionics
• melodrama
• fever
• mania
• keenness
• mawkishness
• sappiness
• hot-bloodedness
• torridity
• torridness

Antonyms & Near Antonyms

• impassivity
• insensibility
• impassiveness
• reticence
• indifference
• insensitivity
• dryness
• taciturnity
• composure
• insensitiveness
• aloofness
• calmness
• reserve
• apathy
• phlegm
• unconcern
• stoicism
• stoniness
• collectedness
• stiffness
• coolness
• reservedness
• insensibleness
• coldness
• frigidity
• detachedness
• chilliness
• woodenness
• frigidness

2

as in thirst

urgent desire or interest

his ardor for combat cooled once he began experiencing the horrors of war

Synonyms & Similar Words

• enthusiasm
• thirst
• excitement
• appetite
• hunger
• eagerness
• impatience
• desirousness
• lust
• avidity
• passion
• keenness
• zeal
• ambition
• avidness
• alacrity
• zest
• quickness
• readiness
• gusto
• warmth
• willingness
• fervency
• appetency
• appetence
• amenability

Antonyms & Near Antonyms

• indifference
• apathy
• unconcern
• nonchalance
• insouciance
• casualness
• detachment
• aloofness
• languor
• impassivity
• lukewarmness
• languidness
• halfheartedness

3

as in passion

intense sexual desire

her revealing outfit only inflamed his ardor all the more

Synonyms & Similar Words

• passion
• lust
• lustfulness
• eros
• eroticism
• concupiscence
• horniness
• itch
• erotomania
• nymphomania
• satyriasis
• licentiousness
• lasciviousness
• wantonness
• lewdness
• salaciousness
• libidinousness
• randiness
• lickerishness

Antonyms & Near Antonyms

• frigidity

Synonym Chooser

How does the noun ardor differ from other similar words?

Some common synonyms of ardor are enthusiasm, fervor, passion, and zeal. While all these words mean "intense emotion compelling action," ardor suggests warm and excited feeling likely to be fitful or short-lived.

the ardor of their honeymoon soon faded

Where would enthusiasm be a reasonable alternative to ardor?

While the synonyms enthusiasm and ardor are close in meaning, enthusiasm applies to lively or eager interest in or admiration for a proposal, cause, or activity.

never showed much enthusiasm for sports

When is fervor a more appropriate choice than ardor?

The meanings of fervor and ardor largely overlap; however, fervor implies a warm and steady emotion.

read the poem aloud with great fervor

When is it sensible to use passion instead of ardor?

While in some cases nearly identical to ardor, passion applies to an emotion that is deeply stirring or ungovernable.

was a slave to his passions

When might zeal be a better fit than ardor?

The synonyms zeal and ardor are sometimes interchangeable, but zeal implies energetic and unflagging pursuit of an aim or devotion to a cause.

preaches with fanatical zeal

Example Sentences

Recent Examples of ardor

In the early 1980s, in the full flush of revolutionary ardor and against an age-old enemy who had attacked them without provocation, the Iranian people and armed forces fought and suffered for their country. —Eliot A. Cohen, The Atlantic, 23 Mar. 2026

By contrast with the work of other documentary filmmakers of similarly observational ardor, Depardon’s method is rugged. —Richard Brody, New Yorker, 19 Feb. 2026

The ardor of contention, the pride of victory, the despair of success, the memory of past injuries and the fear of future dangers all contribute to inflame the mind and to silence the voice of pity. —David Brooks, Mercury News, 24 Jan. 2026

But the yearning in many of his best lyrics is for an unrequited ardor that is equally beyond reach. —Peter Rainer, Christian Science Monitor, 23 Oct. 2025