Synonyms of fierce

Adjective

1. ferocious, fierce, furious, savage, violent (vs. nonviolent)

usage: marked by extreme and violent energy; "a ferocious beating"; "fierce fighting"; "a furious battle"

2. fierce, tearing, vehement, violent, trigger-happy, intense (vs. mild)

usage: marked by extreme intensity of emotions or convictions; inclined to react violently; fervid; "fierce loyalty"; "in a tearing rage"; "vehement dislike"; "violent passions"

3. cutthroat, fierce, bowelless, merciless (vs. merciful), unmerciful

usage: ruthless in competition; "cutthroat competition"; "bowelless readiness to take advantage"

4. boisterous, fierce, rough, stormy (vs. calm)

usage: violently agitated and turbulent; "boisterous winds and waves"; "the fierce thunders roar me their music"- Ezra Pound; "rough weather"; "rough seas"

Definition and meaning of fierce (Dictionary)