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

In other words, if Instagram had even somewhat appeared as a future threat to Facebook or Facebook’s competition, there would have been a ferocious bidding war for Instagram that would have pushed its purchase price far, far above $1 billion. —John Tamny, Forbes.com, 16 Apr. 2025

There’s scenario No. 1: Either Carter, a ferocious All-American pass rusher, or Hunter, a generational wide receiver-cornerback hybrid, is available, and the Patriots can add a premium talent at a position of need in what can only be described as a front-office dream. —Andrew Callahan, Boston Herald, 16 Apr. 2025

Car prices have soared since the pandemic because of supply-chain snags and the ferocious inflation that took hold in the U.S. in 2022 as the economy began to recover. —Mary Cunningham, CBS News, 15 Apr. 2025

This often meant the club being subjected to ferocious criticism, particularly on social media, for seemingly allowing talks to drift and uncertainty to foment. —Simon Hughes, New York Times, 11 Apr. 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