ardor Meaning, Definition & Usage

  1. noun a feeling of strong eagerness (usually in favor of a person or cause)
    zeal; elan; ardour.
    • they were imbued with a revolutionary ardor
    • he felt a kind of religious zeal
  2. noun intense feeling of love
    ardour.
  3. noun feelings of great warmth and intensity
    fervor; fervidness; fire; fervour; ardour; fervency.
    • he spoke with great ardor

WordNet

Ar"dor noun
Etymology
L. ardor, fr. ardere to burn: cf. OF. ardor, ardur, F. ardeur.
Definitions
  1. Heat, in a literal sense; as, the ardor of the sun's rays.
  2. Warmth or heat of passion or affection; eagerness; zeal; as, he pursues study with ardor; the fought with ardor; martial ardor.
  3. pl. Bright and effulgent spirits; seraphim. [Thus used by Milton.] Syn. -- Fervor; warmth; eagerness. See Fervor.

Webster 1913