"ardour" in the noun sense
1. ardor, ardour, elan, zeal
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"
2. ardor, ardour
intense feeling of love
3. ardor, ardour, fervor, fervour, fervency, fire, fervidness
feelings of great warmth and intensity
"he spoke with great ardor"
Source: WordNet® (An amazing lexical database of English)
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