Vehemence

Ve"he*mence (?), n. [L. vehementia: cf. F. véhémence.]

1. The quality pr state of being vehement; impetuous force; impetuosity; violence; fury; as, the vehemence.

2. Violent ardor; great heat; animated fervor; as, the vehemence of love, anger, or other passions.

I . . . tremble at his vehemence of temper.
Addison.