Acting with great force; furious; violent; impetuous; forcible; mighty; as, a vehement wind; a vehement torrent; a vehement fire or heat.

Very ardent; very eager or urgent; very fervent; passionate; as, a vehement affection or passion.

marked by extreme intensity of emotions or convictions; inclined to react violently; fervid; "fierce loyalty"; "in a tearing rage"; "vehement dislike"; "violent passions"

characterized by great force or energy; "vehement deluges of rain"; "vehement clapping"; "a vehement defense"