113 entries under fierce topic. ×

6
wicked(adjective, bad, hard, cool, severe)
5
animal(adjective, adverb, strong, severe, rough)
5
demoniac(adjective, evil, nasty, harsh, violent)
5
ferine(adjective, adverb, rough, low, harsh)
5
foul(adjective, adverb, severe, low, base)
5
nasty(adjective, mean, hard, severe, sharp)
5
uncivil(adjective, hard, severe, sharp, rough)
5
uncivilized(adjective, rough, harsh, rude, violent)
5
unwarmhearted(noun, adjective, person, wild, cruel)
4
bad(adjective, good, mean, complete, tough)
4
gruff(adjective, hard, severe, sharp, nasty)
4
swinish(adjective, adverb, rough, low, base)
4
uncouth(adjective, rough, rude, cruel, vicious)
4
unrelenting(adjective, mean, hard, tough, severe)
3
devilish(adjective, evil, harsh, violent, cruel)
3
implacable(adjective, mean, severe, evil, nasty)
3
raging(adjective, strong, severe, harsh, intense)
3
uncultured(adjective, rough, harsh, rude, violent)
3
vehement(adjective, strong, severe, intense, violent)
2
aggressive(adjective, mean, severe, sharp, nasty)
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APASmart Define. (2016). brutal thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/brutal/thesaurus/synonyms
ChicagoSmart Define. 2016. "brutal thesaurus" https://smartdefine.org/brutal/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, brutal thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/brutal/thesaurus/synonyms>.
MLASmart Define. "brutal thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/brutal/thesaurus/synonyms>