Synonyms of fierce

fierce

adjective

ˈfirs 

1

as in ferocious

violently unfriendly or aggressive in disposition

the Vikings had a well-earned reputation for being fierce warriors

Synonyms & Similar Words

• ferocious
• savage
• vicious
• ruthless
• merciless
• fell
• grim
• brute
• menacing
• relentless
• murderous
• militant
• feisty
• contentious
• pugnacious
• murdering
• warlike
• belligerent
• combative
• confrontational
• bellicose
• wild
• in-your-face
• assaultive
• ravenous
• gladiatorial
• threatening
• scrappy
• argumentative
• pitiless
• quarrelsome
• barbaric
• truculent
• disputatious
• unrelenting
• take-no-prisoners
• implacable
• bestial
• bloody
• discordant
• bloodthirsty
• inhuman
• brawly
• sanguinary
• inhumane
• chippy
• uncivilized
• bare-knuckle
• heartless
• blood-and-guts
• homicidal
• voracious
• rapacious
• sanguine
• wanton

Antonyms & Near Antonyms

• mild
• gentle
• warm
• friendly
• congenial
• tame
• genial
• cordial
• hearty
• amicable
• kind
• benign
• submissive
• compassionate
• compliant
• merciful
• unaggressive
• peaceful
• human
• companionable
• amiable
• peaceable
• warmhearted
• comradely
• pacific
• humane
• civilized
• cultured
• complaisant
• obliging

2

as in intense

extreme in degree, power, or effect

a fierce wind made the frigid temperatures seem even worse

Synonyms & Similar Words

• intense
• intensive
• ferocious
• deep
• terrible
• furious
• heavy
• violent
• vicious
• profound
• acute
• explosive
• fearful
• vehement
• fearsome
• blistering
• exquisite
• dreadful
• frightful
• excruciating
• ghastly
• keen
• hard
• heavy-duty
• intensified
• almighty
• hellacious
• harsh
• heightened
• aggravated
• concentrated
• severe
• enhanced
• magnified
• stressed
• thorough
• exhaustive
• deepened
• accentuated
• rigorous
• emphasized

Antonyms & Near Antonyms

• moderate
• light
• soft
• weak
• feeble
• superficial
• shallow
• qualified
• eased
• moderated
• decreased
• subdued
• toned (down)
• diminished
• reduced
• lightened
• lessened
• alleviated
• abated

3

as in gruff

harsh and threatening in manner or appearance

the fierce faces of the players on the opposing hockey team

Synonyms & Similar Words

• gruff
• stern
• intimidating
• grim
• rugged
• hostile
• severe
• forbidding
• bleak
• stark
• rough
• steely
• stubborn
• hardened
• lowering
• cold
• dour
• flinty
• austere
• dark
• ungentle
• somber
• solemn
• resolute
• steadfast
• unflinching
• determined
• black
• unrelenting
• stiff
• uncompromising
• implacable
• adamant
• moody
• unfriendly
• inhospitable
• unyielding
• serious
• inimical
• obstinate
• rigid
• bound
• unbending
• purposeful
• unsympathetic
• willful
• obdurate
• resolved
• intent
• firm
• immovable
• hardheaded
• inflexible
• sullen
• hard
• fixed
• unchangeable
• sulky
• melancholy
• surly
• gloomy
• brooding
• morose
• immutable
• mulish
• melancholic
• cheerless
• unsmiling
• joyless
• self-willed
• humorless
• glum
• staid
• grave
• sober
• set
• ironhanded
• weighty
• sobersided

Antonyms & Near Antonyms

• gentle
• mild
• benign
• soft
• tender
• quiet
• meek
• easy
• benignant
• soothing
• mellow
• sweet
• bland
• tranquil
• bright
• cheerful
• pleasant
• nonintimidating
• agreeable
• happy
• pleasing
• inviting
• playful
• merry
• glad
• sunny
• silly
• lighthearted
• mirthful
• frivolous
• goofy
• giddy
• flighty
• scatterbrained
• harebrained
• featherbrained
• light-headed

4

as in aggressive

having or showing a bold forcefulness in the pursuit of a goal

a social reformer of fierce and fearless determination

Synonyms & Similar Words

• aggressive
• ambitious
• vigorous
• militant
• adventurous
• in-your-face
• assertive
• high-pressure
• energetic
• enterprising
• confident
• daring
• pushy
• pugnacious
• warlike
• belligerent
• bold
• self-assertive
• dynamic
• combative
• go-getting
• bellicose
• contentious
• quarrelsome
• gladiatorial
• emphatic
• truculent
• self-asserting
• feisty
• strenuous
• determined
• argumentative
• impudent
• insolent
• domineering
• disputatious
• gutsy
• hustling
• unapologetic
• cocky
• dashing
• cheeky
• brassy
• bumptious
• discordant
• venturous
• gung ho
• unyielding
• trigger-happy
• overambitious
• obtrusive
• emboldened
• adventuresome
• dominating
• hyperaggressive
• venturesome
• brash
• audacious
• overconfident
• scrappy
• unsubdued
• overbearing
• cocksure
• imperious
• magisterial
• presumptuous
• forward
• bare-knuckle
• lordly

Antonyms & Near Antonyms

• low-pressure
• unaggressive
• unassertive
• easygoing
• nonassertive
• relaxed
• docile
• unambitious
• submissive
• deferential
• amenable
• mild
• compliant
• tractable
• timid
• acquiescent
• yielding
• quiet
• unenterprising
• passive
• shrinking
• subdued
• modest
• humble
• ambitionless
• resigned
• meek
• shy
• bashful
• laid-back
• demure
• reserved
• unobtrusive
• lowly
• diffident
• servile
• mousy
• slavish
• obsequious
• retiring
• subservient
• cringing
• cowering
• groveling
• overmodest

5

as in violent

marked by bursts of destructive force or intense activity

fierce fighting raged in the streets of the war-torn city

Synonyms & Similar Words

• ferocious
• violent
• furious
• turbulent
• rabid
• vicious
• rough
• volcanic
• brutal
• explosive
• hot
• aggressive
• tumultuous
• cyclonic
• convulsive
• tempestuous
• savage
• stormy
• paroxysmal
• volatile
• contentious
• hostile
• blood-and-guts
• hammer-and-tongs
• knock-down, drag-out
• destructive
• bang-bang
• frantic
• mad
• antagonistic
• barbarous
• pugnacious
• belligerent
• combative
• assertive
• bellicose
• truculent
• quarrelsome
• gladiatorial
• frenzied
• combustible
• agitated
• ruinous
• cataclysmal

Antonyms & Near Antonyms

• peaceful
• peaceable
• nonviolent
• calm
• serene
• tranquil
• pacific
• halcyon
• unaggressive
• nonbelligerent

6

as in frantic

marked by great and often stressful excitement or activity

fierce early-morning trading sent stocks soaring

Synonyms & Similar Words

• frantic
• furious
• intense
• mad
• intensive
• ferocious
• violent
• frenzied
• frenetic
• feverish
• delirious
• rabid
• wild
• excessive
• vehement
• concentrated
• extreme
• undue
• inordinate
• exorbitant
• irrational
• immoderate
• extravagant
• maniacal
• unconscionable
• lavish
• insane
• crazed
• high-pressured
• demented
• crazy
• overweening
• deranged
• overmuch

Antonyms & Near Antonyms

• quiet
• calm
• peaceful
• reasonable
• moderate
• serene
• undisturbed
• tranquil
• placid
• subdued
• temperate
• relaxed
• casual
• unperturbed
• balanced
• sound
• untroubled
• sane
• low-pressure
• easygoing

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

Recent Examples of fierce

While the 1992 film that inspired the show went up in smoke, the TV series cast an undying spell — sparking one of pop culture’s fiercest, most devoted cult followings. — Kate Hogan, PEOPLE, 17 Sep. 2026

Kansas City and Chicago teams have had fierce battles over the years. — Pj Green september 17, Kansas City Star, 17 Sep. 2026

There is fierce competition for places in wide areas now, but this performance will do him no harm in his attempts to earn more minutes. — Andy Jones, New York Times, 16 Sep. 2026

The Yankees, having already won the season series against Boston, hold a tiebreaker over their fiercest foes. — Gary Phillips, New York Daily News, 15 Sep. 2026