Vē'he-ment, a.
a. [Fr. véhément, Pr. vehement, Sp. & Pg. vehemente, It. veemente, Lat. vehemens, probably a protracted form for vemens, for ve, an inseparable particle denoting privation, and mens, the mind, and thus, properly, not very reasonable, i. e., very eager, violent, vehement.]
Sense 1. Acting with great force; furious; impetuous; forcible; mighty; as, a vehement wind; a vehement torrent; a vehement fire or heat.
Sense 2. Very ardent; very eager or urgent; very fervent; as, a vehement affection or passion. “Vehement instigation.” Shak. “Vehement desire.” Milton.
Synonyms—Furious; violent; impetuous; passionate; ardent; hot.