WordWeb Online

1. A feeling of strong eagerness (usually in favor of a person or cause)
   "they were imbued with a revolutionary ardor";
   - ardour [Brit, Cdn], elan, zeal, élan
    
2. Intense feeling of love
   - ardour [Brit, Cdn]
    
3. Feelings of great warmth and intensity
   "he spoke with great ardor";
   - ardour [Brit, Cdn], fervor [US], fervour [Brit, Cdn], fervency, fire, fervidness

Derived forms: ardors

Type of: aroha [NZ], avidity, avidness, eagerness, keenness, love, passion, passionateness

Encyclopedia: Ardor