108 entries under fierce topic. ×

2
animal(adjective, mean, rough, cruel, vicious)
2
brutish(adjective, evil, rough, nasty, harsh)
2
devilish(adjective, animal, mean, violent, cruel)
2
diabolical(adjective, animal, mean, violent, cruel)
2
feral(adjective, rough, violent, cruel, vicious)
2
infernal(adjective, violent, vicious, unrestrained)
2
relentless(adjective, animal, mean, hard, tough)
2
rude(adjective, mean, sharp, rough, harsh)
2
sanguinary(adjective, hard, tough, harsh, violent)
2
uncivilized(adjective, rude, violent, cruel, vicious)
2
unrelenting(adjective, animal, mean, hard, tough)
2
violent(adjective, mean, sharp, harsh, cruel)
2
wolfish(adjective, rude, violent, cruel, vicious)
1
aggressive(adjective, mean, sharp, harsh, cross)
1
barbarian(adjective, rude, violent, cruel, vicious)
1
browbeating(adjective, mean, sharp, harsh, cross)
1
bullying(adjective, mean, sharp, harsh, cross)
1
caustic(adjective, mean, sharp, harsh, cross)
1
coarse(adjective, rough, rude, cruel, vicious)
1
cowing(adjective, mean, sharp, harsh, cross)
10 years ago|9.6k views|share |citing 
APASmart Define. (2016). inhumane thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/inhumane/thesaurus/synonyms
ChicagoSmart Define. 2016. "inhumane thesaurus" https://smartdefine.org/inhumane/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, inhumane thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/inhumane/thesaurus/synonyms>.
MLASmart Define. "inhumane thesaurus" 31 March 2016. Web. 26 September 2026. <https://smartdefine.org/inhumane/thesaurus/synonyms>