108 entries under ferocious topic. ×

9
uncontrollable(adjective, hard, severe, rough, harsh)
8
grim(adjective, animal, appearance, mean, hard)
7
bloody(adjective, hard, tough, harsh, violent)
7
enraged(adjective, severe, violent, cruel, mad)
7
raving(adjective, violent, brutal, menacing)
7
sadistic(adjective, mean, evil, nasty, harsh)
7
threatening(adjective, tough, difficult, violent, brutal)
6
howling(adjective, violent, property, brutal)
6
aggressive(adjective, clear, tough, severe, nasty)
6
atrocious(adjective, evil, nasty, harsh, violent)
6
malign(adjective, animal, mean, severe, violent)
6
primitive(adjective, severe, rough, violent, cruel)
6
remorseless(adjective, animal, mean, harsh, violent)
6
tigerish(adjective, severe, violent, cruel, vicious)
6
uncivilized(adjective, simple, severe, awful, violent)
5
heartless(adjective, mean, severe, evil, nasty)
5
inhumane(adjective, animal, mean, hard, tough)
5
malevolent(adjective, mean, severe, evil, nasty)
5
rude(adjective, mean, simple, violent, cruel)
5
venomous(adjective, violent, brutal, menacing)
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APASmart Define. (2016). fierce thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/fierce/thesaurus/synonyms
ChicagoSmart Define. 2016. "fierce thesaurus" https://smartdefine.org/fierce/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, fierce thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/fierce/thesaurus/synonyms>.
MLASmart Define. "fierce thesaurus" 28 March 2016. Web. 25 September 2026. <https://smartdefine.org/fierce/thesaurus/synonyms>