fierce

adjective \ˈfirs\

: very violent

: eager to fight or kill

: having or showing a lot of strong emotion : very strong or intense

fierc·erfierc·est

Full Definition of FIERCE

a : violently hostile or aggressive in temperament

b : given to fighting or killing : pugnacious

a : marked by unrestrained zeal or vehemence <a fierce argument>

b : extremely vexatious, disappointing, or intense <fierce pain>

: furiously active or determined <make a fierce effort>

: wild or menacing in appearance

— fierce·ness noun

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Origin of FIERCE

Middle English fiers, from Anglo-French fer, fers, fiers, from Latin ferus wild, savage; akin to Greek thēr wild animal

First Known Use: 14th century

Related to FIERCE

Synonyms: fell, ferocious, grim, savage, vicious

Antonyms: gentle, mild, unaggressive

Synonym Discussion of FIERCE

fierce, ferocious, barbarous, savage, cruel mean showing fury or malignity in looks or actions. fierce applies to humans and animals that inspire terror because of their wild and menacing aspect or fury in attack <fierce warriors>. ferocious implies extreme fierceness and unrestrained violence and brutality <a ferocious dog>. barbarous implies a ferocity or mercilessness regarded as unworthy of civilized people <barbarous treatment of prisoners>. savage implies the absence of inhibitions restraining civilized people filled with rage, lust, or other violent passion <a savage criminal>. cruel implies indifference to suffering and even positive pleasure in inflicting it <the cruel jokes of schoolboys>.