4
dreadful(adjective, awful, terrible, horrible, afraid)
4
fighting(adjective, violent)
4
frenzied(adjective, violent)
4
ghastly(adjective, awful, terrible, horrible, afraid)
4
grisly(adjective, awful, terrible, horrible, afraid)
4
gruesome(adjective, awful, terrible, horrible, afraid)
4
hideous(adjective, awful, terrible, horrible, afraid)
4
horrendous(adjective, awful, terrible, horrible, afraid)
4
horrid(adjective, awful, terrible, horrible, afraid)
4
militant(adjective, hostile, belligerent, quarrelsome)
4
morbid(adjective, awful, terrible, horrible, afraid)
4
pugnacious(adjective, hard, rough, harsh, terrible)
4
rabid
4
rough(adjective, hard, severe, harsh, rude)
4
sanguineous(adjective, aper, demoniac, murderous, annihilative)
4
terrifying(adjective, awful, terrible, horrible, afraid)
4
uncivilised
4
uncivilized(adjective, harsh, rude, violent, wild)
4
uncontrollable(adjective, strong, hard, severe, rough)
4
warlike
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APASmart Define. (2015). ferocious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/ferocious/thesaurus/synonyms
ChicagoSmart Define. 2015. "ferocious thesaurus" https://smartdefine.org/ferocious/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, ferocious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/ferocious/thesaurus/synonyms>.
MLASmart Define. "ferocious thesaurus" 3 August 2015. Web. 22 September 2026. <https://smartdefine.org/ferocious/thesaurus/synonyms>