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English definition of “fierce”

fierce

adjective     /fɪəs/ US  /fɪrs/
B2 physically violent and frightening : a fierce attack / battle Two men were shot during fierce fighting last weekend .Violent or aggressiveUnkind, cruel and unfeelingTreating people or animals badly B2 strong and powerful : Fierce winds / seas prevented the race from taking place . Fire fighters had to retreat from the fierce heat .Physically strong and powerful B2 showing strong feeling or energetic activity : The expansion plans will face fierce opposition / resistance from environmentalists . There is fierce competition to join the Special Branch .Energetic and livelyStrong feelings US informal difficult : The chemistry exam was fierce!Complicated and difficult to doDifficult to understand fierceness     /-nəs/ noun [U] Violent or aggressiveUnkind, cruel and unfeelingTreating people or animals badlyDifficult things and peoplePreventing and impeding
(Definition of fierce adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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