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 of ferocious

• intense
• fierce
• intensive
• terrible
• furious
• deep

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

Imagine how Lowell’s most fun, most ferocious rock ‘n’ roll rapscallions will do Sabbath during their tribute set May 2 at the Smokehouse Tavern. —Jed Gottlieb, Boston Herald, 26 Apr. 2026

Antisemitic attacks have surged worldwide since October 7, 2023, when Hamas militants crossed the border into Israel for an attack that provoked a ferocious response from Israel that’s razed large parts of Gaza and killed tens of thousands of Palestinians. —Cnn.com Wire Service, Mercury News, 25 Apr. 2026

But Chinese automakers has been facing immense pressure from ferocious price wars over the past months. —ABC News, 24 Apr. 2026

Focus Features has set a Sept 11 release for the Paul Greengrass directed, Andrew Garfield starring The Uprising, which follows the untold true story of a ferocious rebellion against the tyranny of King Richard II. —Anthony D'alessandro, Deadline, 22 Apr. 2026

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