feelings of great warmth and intensity; "he spoke with great ardor"
intense feeling of love
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"
disease or disability resulting from conditions of employment (usually from long exposure to a noxious substance or from continuous repetition of certain acts)
a state of violent disturbance and disorder (as in politics or social conditions generally); "the industrial revolution was a period of great turbulence"