Ferocious
Ferocious adjective - Extreme in degree, power, or effect.
Usage example: the ferocious appetite that athletic teenagers have been known to display
Vicious is a synonym for ferocious in help topic. In some cases you can use "Vicious" instead an adjective "Ferocious", when it comes to topics like kind, brutal, violent, fierce. popular alternative
Vicious
Vicious adjective - Extreme in degree, power, or effect.
Usage example: a vicious winter storm ripped through the region
Ferocious is a synonym for vicious in help topic. You can use "Ferocious" instead an adjective "Vicious", if it concerns topics such as kind, corrupt, brutal, fierce. popular alternative
Nearby Word: viciously
Mutual synonyms
Both words in one sentence
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Hobbes would be having a dream about being in a vicious fight with a ferocious weasel...only to awaken and discover that he had really been ripping his pillow to shreds.
Source: Marshmallow Dream - Just don't get on their bad side, as they are also vicious hunters and ferocious fighters.
Source: Killer Rabbit / Video Games -
The Aurin are actually friendly tree-huggers who would like nothing more than to prance around in peace and harmony, but they are also ferocious hunters and vicious fighters.
Source: Video Game / WildStar
Cite this Source
Vicious and Ferocious. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/ferocious/vicious
Ferocious & Vicious. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/ferocious/vicious>.
Vicious or Ferocious. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/ferocious/vicious.
Google Ngram Viewer shows how "ferocious" and "vicious" have occurred on timeline