89 entries under fierce topic. ×

3
uncultivated(adjective, harsh, violent, wild, vicious)
2
callous(adjective, mean, hard, harsh, cruel)
2
cold-blooded(adjective, mean, harsh, violent, cruel)
2
demoniac(adjective, violent, vicious, unrestrained)
2
hard(adjective, mean, harsh, cruel, vicious)
2
heartless(adjective, mean, hard, harsh, violent)
2
inhumane(adjective, rough, violent, cruel, vicious)
2
rabid(adjective, violent, vicious, unrestrained)
2
remorseless(adjective, mean, severe, harsh, violent)
2
rude(adjective, rough, harsh, violent, wild)
2
severe(adjective, mean, harsh, violent, cruel)
2
unfeeling(adjective, mean, rough, harsh, cruel)
2
unmerciful(adjective, mean, harsh, violent, cruel)
1
carnal(adjective, adverb, rough, low, physical)
1
coarse(adjective, adverb, rough, low, base)
1
frightful(adjective, violent, cruel, vicious)
1
implacable(adjective, mean, harsh, violent, cruel)
1
lupine(adjective, harsh, violent, wild, cruel)
1
malevolent(adjective, mean, strong, severe, harsh)
1
natural(adjective, harsh, physical, violent, wild)
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APASmart Define. (2015). feral thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/feral/thesaurus/synonyms
ChicagoSmart Define. 2015. "feral thesaurus" https://smartdefine.org/feral/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, feral thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/feral/thesaurus/synonyms>.
MLASmart Define. "feral thesaurus" 17 July 2015. Web. 28 September 2026. <https://smartdefine.org/feral/thesaurus/synonyms>