(n) a feeling of strong eagerness (usually in favor of a person or cause), Syn. zeal, ardour, elan, Example:they were imbued with a revolutionary ardor; he felt a kind of religious zeal
n. [ L. ardor, fr. ardere to burn: cf. OF. ardor, ardur, F. ardeur. ] [ Spelt also ardour. ]1. Heat, in a literal sense; as, the ardor of the sun's rays. [ 1913 Webster ]
2. Warmth or heat of passion or affection; eagerness; zeal; as, he pursues study with ardor; the fought with ardor; martial ardor. [ 1913 Webster ]
3.pl. Bright and effulgent spirits; seraphim. [ Thus used by Milton. ] [ 1913 Webster ]