Fierce – English Flashcard for Fierce for IELTS Updated: February 4, 2021 by Dr. Mohammad Hossein Hariri AslFierce Fierce (adj) /fɪəs/ US /fɪrs/aggressive and angry, violent, brutal, severe, ferocious, intense, profoundThere’s such a fierce competition among the numerous job applicants.Antonym: gentleNoun: fiercenessAdverb: fiercely