great warmth of feeling; fervor; passion

She spoke persuasively and with ardor.

intense devotion, eagerness, or enthusiasm; zeal

his well-known ardor for Chinese art.

burning heat.

noun

coldness , coolness , frigidity , indifference , apathy

noun

avidity , devotion , eagerness , earnestness , feeling , fervor , fierceness , fire , gusto , heat , intensity , jazz * , keenness , oomph * , passion , pep talk * , spirit , turn on * , vehemence , verve , warmth , weakness * , zeal , zest , zing , fervency , zealousness , animation , desire , empressement , enthusiasm , glow , heartiness , impetuosity , love , oomph , vivacity