Vehemence
Vehemence , noun
[Latin vehementia: compare French véhémence.]
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.