Noun has 3 senses

• ardour(n = noun.feeling) ardor, elan, zeal - a feeling of strong eagerness (usually in favor of a person or cause); "he felt a kind of religious zeal"; "they were imbued with a revolutionary ardor"


• ardour(n = noun.feeling) ardor - intense feeling of love;


• ardour(n = noun.feeling) ardor, fervency, fervidness, fervor, fervour, fire - feelings of great warmth and intensity; "he spoke with great ardor"