marked by extreme intensity of emotions or convictions; inclined to react violently; fervid
"fierce loyalty"
"in a tearing rage"
"vehement dislike"
"violent passions"
violently agitated and turbulent
"boisterous winds and waves"
"the fierce thunders roar me their music"
"rough weather"
"rough seas"
Exceedingly violent, severe, ferocious, cruel or savage.
"The fierce storm tore through the village with terrifying force."
In plain English: Fierce means being very strong, aggressive, and intense.
"The fierce dog barked loudly at anyone who tried to enter the yard."
Usage: Use "fierce" to describe intense emotions like anger or determination as well as physical aggression. Avoid using it interchangeably with "ferocious," which is more specific to animal behavior and extreme violence.
Extremely; very.
"The fierce storm tore through the village with incredible force."
The word fierce entered English from the Old French term fers, which originally meant wild or ferocious. This description ultimately traces back to the Latin word ferus.