Vehemence /(?)/

Ve·he·mence

Vehemence

n.
  1. The quality or state of being vehement; impetuous force; impetuosity; violence; fury; as, the vehemence of the wind; to speak with vehemence.
  2. Violent ardor; great heat; animated fervor; as, the vehemence of love, anger, or other passions.
    I . . . tremble at his vehemence of temper.