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

After a ferocious campaign from fans, Disney+ brought the series back—initially a Netflix original from 2015 to 2018. —H. Alan Scott, Newsweek, 4 Mar. 2025

But a mysterious force is stopping their return and the time-traveling TARDIS team must face great dangers, ferocious enemies and wilder terrors than ever before. —Glenn Garner, Deadline, 2 Mar. 2025

Severe thunderstorms will roar to life by the late afternoon in the Mississippi Valley, become more ferocious and pound potentially more than 900 miles of the region – from Louisiana to Minnesota – through the overnight hours. —Mary Gilbert, CNN, 13 Mar. 2025

Its oddity, evident in the barest descriptions, is so extreme as to threaten to overshadow its distinctive artistry and ferocious substance. —Richard Brody, The New Yorker, 11 Mar. 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