Vehement
WordNet
adjective
(1) Marked by extreme intensity of emotions or convictions; inclined to react violently; fervid
"Fierce loyalty"
"In a tearing rage"
"Vehement dislike"
"Violent passions"
(2) Characterized by great force or energy
"Vehement deluges of rain"
"Vehement clapping"
"A vehement defense"