Ferocious
Ferocious adjective - Violently unfriendly or aggressive in disposition.
Usage example: Captain Bligh and his castaways bypassed numerous Pacific islands, so afraid were they of the ferocious tribesmen
Threatening and ferocious are semantically related. In some cases you can use "Threatening" instead an adjective "Ferocious".
Threatening
Threatening adjective - Giving signs of immediate occurrence.
Ferocious and threatening are semantically related. Sometimes you can use "Ferocious" instead an adjective "Threatening".
Both words in one sentence
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The Bog King is naturally terrifying given what kind of creature he is, but Marianne shows that she can be just as ferocious and threatening.
Source: Battle Couple -
Mama Bear: Klara's mother becomes ferocious when she thinks Lucas has molested her daughter, threatening to castrate him.
Source: Film / The Hunt
Cite this Source
Threatening and Ferocious. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/ferocious/threatening
Ferocious & Threatening. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/ferocious/threatening>.
Threatening or Ferocious. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/ferocious/threatening.
Google Ngram Viewer shows how "ferocious" and "threatening" have occurred on timeline