ardor
[noun]
Synonyms: passion, calenture, enthusiasm, fervor, fire, hurrah, zeal, eagerness, zing, fidelity, allegiance, devotion, faithfulness, fealty, loyalty, piety

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Antonyms: coolness, indifference
Contrasted words: aloofness, detachment, disinterest, unconcern, apathy, lackadaisy, languor, listlessness
Related Words: avidity, gusto, spirit, verve, zest, excitement, galvanization, quickening, stimulation, ardency, fervor, warmth, adoration, love, worship

[TahlilGaran] English Synonym Dictionary ▲

ar‧dour British English, ardor American English /ˈɑːdə $ ˈɑːrdər/ noun [uncountable]
[Date: 1300-1400; Language: Old French; Origin: ardour, from Latin ardor, from ardere; ⇒ ardent]

1. very strong admiration or excitement Synonym : passion
with ardour
They sang with real ardour.

2. literary strong feelings of love Synonym : passion

[TahlilGaran] Dictionary of Contemporary English ▲