Noah Webster
Vehemence
VE'HEMENCE,
VE'HEMENCY, noun [Latin vehemens, from veho, to carry, that is, to rush or drive.]
1. Violence; great force; properly, force derived from velocity; as the vehemence of wind. But it is applied to any kind of forcible action; as, to speak with vehemence
2. Violent ardor; great heat; animated fervor; as the vehemence of love or affection; the vehemence of anger or other passion.
I tremble at his vehemence of temper.