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Synonyms

fierce

American  
[feers] / fɪərs /

adjective

  • fiercer,
    comparative
  • fiercest
    superlative
  1. menacingly wild, savage, or hostile.

    fierce animals;

    a fierce look.

    Synonyms:
    murderous, bloodthirsty, barbarous, brutal, fell, cruel
    Antonyms:
    mild, tame
  2. violent in force, intensity, etc..

    fierce winds.

    Synonyms:
    passionate, furious, turbulent
  3. furiously eager or intense.

    fierce competition.

    Synonyms:
    turbulent, passionate, furious
  4. extremely bad or severe.

    a fierce cold.


fierce British  
/ fɪəs /

adjective

  1. having a violent and unrestrained nature; savage

    a fierce dog

  2. wild or turbulent in force, action, or intensity

    a fierce storm

  3. vehement, intense, or strong

    fierce competition

  4. informal very disagreeable or unpleasant

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Synonym Usage

Fierce, ferocious, truculent suggest vehemence and violence of temper, manner, or action: fierce in repelling a foe. Ferocious implies fierceness or cruelty, especially of a bloodthirsty kind, in disposition or action: a ferocious glare; ferocious brutality toward helpless refugees. Truculent suggests an intimidating or bullying fierceness of manner or conduct: His truculent attitude kept them terrified and submissive.

Other Word Forms

Derived Forms

Inflected Forms

Adjectives

Etymology

Origin of fierce

First recorded in 1300–1350; from Middle English fiers, fers, from Old French fiers, fers, from Latin ferus “wild, fierce”; cf. feral 1, ferocious

Explanation

Fierce is ferocious and forceful, like a lion. When you are fierce, opponents fear you. Despite their loss, the talented JV team put up a fierce fight against the varsity squad. Fierce comes from the Latin ferus 'wild animal.' It means strong, proud, dangerous and ready to roar. Fierce can also be used to mean intense. The family was known for their fierce pride. If you have a fierce work ethic, you don't rest until you finish the job. And a fierce storm can really devastate a community.

Keep Reading on Vocabulary.com

Vocabulary lists containing fierce

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The characters share a fierce drive to fight for what they believe is right, which, for Carol, means maintaining her autonomy and resisting the good-vibes group contentment of the Others.

From Los Angeles Times Aug. 6, 2026

Theatre director, playwright and actor Peter Gill, who has died aged 86, has been described as a "gentle man with a fierce intelligence" who had a "quietly seismic" influence on British theatre.

From BBC Aug. 4, 2026

He had hoped to become a political or policy analyst after graduation, but fierce competition in the entry-level job market has forced him to broaden his search to areas like human resources.

From MarketWatch Aug. 4, 2026

The shift in tone marks a turning point following nearly two years of fierce confrontation over UniCredit's attempt to take control of the German bank.

From Barron's Jul. 31, 2026

But they were so fierce and erratic in their attacks, we never stood a chance.

From "Summer of the Mariposas" by Guadalupe García McCall

It’s possible this year’s conditions could grow into a rarer and fiercer “super El Niño.”

From MarketWatch Jul. 28, 2026

The Russian winter becomes a major plot point in Leo Tolstoy’s “War and Peace,” in which Napoleon attacks and fails to conquer a country bigger, colder and fiercer than anticipated.

From The Wall Street Journal Dec. 12, 2025

Spain has in recent years endured longer and more intense summer heatwaves, while fiercer autumn storms have drenched the country with torrential rain -- extreme weather events that scientists attribute to human-driven climate change.

From Barron's Nov. 26, 2025

There have been warnings of fiercer competition for places at sixth form colleges this year.

From BBC Aug. 21, 2025

“Well, it is,” said Pa. “Just imagine Black Susan bigger than Jack, and fiercer than Jack when he growls. Then she would be just like a panther.”

From "Little House in the Big Woods" by Laura Ingalls Wilder

Bill Ackman, the hedge fund billionaire who has long been one of Mamdani’s fiercest critics, spent $260 million this summer for new buildings to house a brain research center on Manhattan’s west side.

From The Wall Street Journal Aug. 5, 2026

Indeed, months of drought and heat waves tend to foreshadow the fiercest wildfires.

From Salon Aug. 3, 2026

Uefa - Infantino's fiercest critic - dealt its trump card on Thursday by threatening to boycott all Fifa competitions, including the World Cup.

From BBC Aug. 1, 2026

In a statement, McMaster said Graham was “irreplaceable,” calling him “the fiercest of fighters for South Carolina and America.”

From Los Angeles Times Jul. 12, 2026

Hosteen was a bull, slow to anger but implacable once roused, and by repute the fiercest fighter of Lord Walder’s get.

From "A Dance with Dragons" by George R. R. Martin

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