ferocious

adjective

fe·​ro·​cious fə-ˈrō-shəs 

1

: exhibiting or given to extreme fierceness and unrestrained violence and brutality

a ferocious predator

the ferocious butchery of women and children

2

: extremely intense

ferocious heat

The competition among the students was ferocious.

ferociously adverb

ferociousness noun

Synonyms

• acute
• almighty
• blistering
• deep
• dreadful
• excruciating
• explosive
• exquisite
• fearful
• fearsome
• fierce
• frightful
• furious
• ghastly
• hard
• heavy
• heavy-duty
• hellacious
• intense
• intensive
• keen
• profound
• terrible
• vehement
• vicious
• violent

Choose the Right Synonym for ferocious

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

Examples of ferocious in a Sentence

A ferocious wind swept the beach.

The competition among the students was ferocious.

Recent Examples on the Web

Jones, still vigorous at seventy-two, moves through space with ferocious intent while conjuring stories from the past: early dance sensations, tense interactions with the legendary Ailey, and clashes with critics who tried to box him in as a Black artist. —Shauna Lyon, The New Yorker, 28 Feb. 2025

Friction point: Community groups like the Emerald Necklace Conservancy and Franklin Park Defenders have been ferocious in opposing the revamp, questioning the cost, traffic and the loss of a public asset to a private interest. —Mike Deehan, Axios, 26 Feb. 2025

Recently, Culkin starred in a breakout role in Succession, one of TV's most ferocious dysfunctional family dramas, and now appears in A Real Pain as the unruly cousin to Jesse Eisenberg. —Ryan Coleman, EW.com, 24 Feb. 2025

The discovery could bring scientists one step closer to understanding these ferocious beasts and their evolutionary history. —Taylor Nicioli, CNN, 17 Feb. 2025

Word History

Etymology

Latin feroc-, ferox, literally, fierce looking, from ferus + -oc-, -ox (akin to Greek ōps eye) — more at eye

First Known Use

1646, in the meaning defined at sense 1

Rhymes for ferocious

• atrocious
• precocious

Kids Definition

ferocious

adjective

fe·​ro·​cious fə-ˈrō-shəs 

1

: fierce sense 1, savage

2

: very great : extreme

ferocious heat

ferociously adverb

ferociousness noun

ferocity

fə-ˈräs-ət-ē

noun