FIERCE Synonyms: 410 Similar and Opposite Words

Q: How is the word 'fierce' different from other adjectives like it?

Some common synonyms of fierce are barbarous , cruel , ferocious , and savage . While all these words 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

Q: Where would 'barbarous' be a reasonable alternative to 'fierce'?

While in some cases nearly identical to fierce , barbarous implies a ferocity or mercilessness regarded as unworthy of civilized people. // barbarous treatment of prisoners

Q: When is it sensible to use 'cruel' instead of 'fierce'?

The meanings of cruel and fierce largely overlap; however, cruel implies indifference to suffering and even positive pleasure in inflicting it. // the cruel jokes of schoolboys

Q: When would 'ferocious' be a good substitute for 'fierce'?

The synonyms ferocious and fierce are sometimes interchangeable, but ferocious implies extreme fierceness and unrestrained violence and brutality. // a ferocious dog

Q: When can 'savage' be used instead of 'fierce'?

Although the words savage and fierce have much in common, savage implies the absence of inhibitions restraining civilized people filled with rage, lust, or other violent passion. // a savage criminal

fierce

adjective

ˈfirs

Definition of fierce

as in ferocious

violently unfriendly or aggressive in disposition the Vikings had a well-earned reputation for being fierce warriors

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Antonyms & Near Antonyms

as in intense

extreme in degree, power, or effect a fierce wind made the frigid temperatures seem even worse

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as in gruff

harsh and threatening in manner or appearance the fierce faces of the players on the opposing hockey team

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as in aggressive

having or showing a bold forcefulness in the pursuit of a goal a social reformer of fierce and fearless determination

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Antonyms & Near Antonyms

as in violent

marked by bursts of destructive force or intense activity fierce fighting raged in the streets of the war-torn city

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as in frantic

marked by great and often stressful excitement or activity fierce early-morning trading sent stocks soaring

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Antonyms & Near Antonyms

Synonym Chooser

How is the word fierce different from other adjectives like it?

Some common synonyms of fierce are barbarous, cruel, ferocious, and savage. While all these words 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

Where would barbarous be a reasonable alternative to fierce?

While in some cases nearly identical to fierce, barbarous implies a ferocity or mercilessness regarded as unworthy of civilized people.

barbarous treatment of prisoners

When is it sensible to use cruel instead of fierce?

The meanings of cruel and fierce largely overlap; however, cruel implies indifference to suffering and even positive pleasure in inflicting it.

the cruel jokes of schoolboys

When would ferocious be a good substitute for fierce?

The synonyms ferocious and fierce are sometimes interchangeable, but ferocious implies extreme fierceness and unrestrained violence and brutality.

a ferocious dog

When can savage be used instead of fierce?

Although the words savage and fierce have much in common, savage implies the absence of inhibitions restraining civilized people filled with rage, lust, or other violent passion.

a savage criminal

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of fierce Manchester United ended a challenging week with a 1-1 draw at fierce rival Leeds. — ABC News, 18 Oct. 2026 Gut-check time The Hurricanes faced their fiercest adversity on Saturday. — Adam Lichtenstein, Sun Sentinel, 18 Oct. 2026 Rooms There is a kind of fierce vitality at play in The Warbler’s accommodations. — Condé Nast, Condé Nast Traveler, 17 Oct. 2026 These concerns prompted a fierce debate within NATO about how the continent could ensure its nuclear defense. — Ivo H. Daalder, Foreign Affairs, 16 Oct. 2026 See All Example Sentences for fierce

Recent Examples of Synonyms for fierce

Adjective

In the Atlantic, not a single hurricane has formed yet, a record for this late into hurricane season, due to ferocious wind shear brought on by El Niño.

— Sean Macaday, Sacbee.com, 5 Oct. 2026
When the Heat acquired Giannis Antetokounmpo in June, the natural instinct was to focus on the prodigious point production (57th all time), the volume rebounding (71st all time), the thunderous dunks and the ferocious forays to the basket.

— Barry Jackson, Miami Herald, 4 Oct. 2026

Definition of ferocious

Adjective

Pike committed the crime over an intense romantic jealousy of Slemmer, who allegedly attempted to steal her boyfriend’s attention.

— David Zimmermann, The Washington Examiner, 13 Oct. 2026
Carnegie Hall seats well over 3,000 people, but this intense, no-frills performance film gives life to the old saying about feeling alone in a crowd.

— Damon Wise, Deadline, 13 Oct. 2026

Definition of intense

Adjective

Defying the old-school stereotype of the hard-nosed, gruff newspaper boss, Vaughn often mentored young reporters in a serious but friendly and encouraging manner.

— Martin E. Comas, The Orlando Sentinel, 13 Oct. 2026
Over three decades in stand-up comedy, Bill Burr has gained a reputation for saying, with gruff conviction and political fire, the thing on everyone’s mind.

— Ethan Shanfeld, Variety, 9 Oct. 2026

Definition of gruff

Adjective

While Chelsea tend to retreat after taking the lead, their opponents also become more aggressive in response, committing extra bodies forward and helping to create more open, end-to-end encounters.

— Conor O'Neill, New York Times, 15 Oct. 2026
The acquisition comes after the distributor’s founder and then-CEO, Andrew Karpen, died from an aggressive form of brain cancer at the age of 59 in May 2025.

— Brian Welk, IndieWire, 15 Oct. 2026

Definition of aggressive

Adjective

That, in turn, reveals a family history of violent gravitational instability caused by events like giant collisions and planetary ejections.

— Robert Lea, Space.com, 14 Oct. 2026
The show, which can certainly be tense, spends more time on being funny than violent.

— Los Angeles Times, Los Angeles Times, 14 Oct. 2026

Definition of violent

Adjective

Keeping The Faith So all’s well that ends well, and frantic, for Halfway 2 Jesus, Rock’s 13th album and the follow-up to 2022’s angry, politically charged Bad Reputation.

— Gary Graff, Billboard, 15 Oct. 2026
Newly obtained 911 audio is shedding light on the frantic response when Hayden Panettiere was found unresponsive in a Greenville, South Carolina, apartment in August.

— ABC News, ABC News, 14 Oct. 2026

Definition of frantic

Adjective

Onscreen, this ethnic conflict allowed Ken-san and other kimonoed gangsters to be presented as pure, sincere, patriotic heroes fighting for traditional Japanese values against savage aliens as well as local, gun-toting yakuza.

— Ian Buruma, New Yorker, 12 Oct. 2026
The Indian pilot who fought off a savage attack by his copilot and helped prevent an apparent hijack of a Flydubai plane heading to Israel with more than 170 people on board is being hailed as a hero.

— Rhea Mogul, CNN Money, 1 Oct. 2026

Definition of savage

Adjective

Atrium is also offering day hospital programs in which patients receive intensive treatment and return home at night.

— Charlotte Observer, Charlotte Observer, 15 Oct. 2026
Because schools would otherwise use that money to buy equipment, the proposal would most affect two-year technical schools with equipment-intensive programs like welding or automotive programs.

— CBS News, CBS News, 14 Oct. 2026

Definition of intensive

Browse Nearby Words

fiends

fierce

fiercely

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“Fierce.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fierce. Accessed 19 Oct. 2026.

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Synonyms of fierce

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