fierce UK /fɪəs/US /fɪɹs/adjective 5adverb 1forms 4 adjective5 •violent and full of anger, and ready to attackA fierce storm battered the coast. •Resolute or strenuously active.We made a fierce attempt to escape.I feel a fierce loyalty to my kin. •Threatening in appearance or demeanor.The lion gave a fierce roar. •(US) Of exceptional quality, exhibiting boldness or chutzpah.Tyra said to strike a pose and make it fierce. •(Ireland, slang) Excellent, very good.Q: "How was the party last night?" A: "Fierce!" adverb1 •(Ireland, slang) Extremely; very.It was fierce cold last night. formsfiercer · more fierce · fiercest · most fierce
something fierce adverb1 •(informal) To an extreme extent; badly, violently.The wind had kicked up something fierce and the entire bay had transformed from placidity to slapping waves. — 2004