fierce

US /fɪrs/
UK /fɪrs/
"fierce" picture
1.

féroce, violent, farouche

having or displaying an intense or ferocious aggressiveness

:
The lion gave a fierce roar.
Le lion poussa un rugissement féroce.
She has a fierce determination to succeed.
Elle a une détermination farouche à réussir.
2.

ardent, intense, farouche

showing a heartfelt and powerful intensity

:
The debate was fierce and passionate.
Le débat était ardent et passionné.
She gave him a fierce look.
Elle lui lança un regard farouche.