4
uncivilised
4
uncouth(adjective, rough, rude, cruel, vicious)
4
ungentle
4
unrelenting(adjective, mean, hard, tough, severe)
3
antihumanitarian(adjective, aroused negative, aroused bad feelings)
3
austere(adjective, mean, hard, tough, severe)
3
bleak(adjective, tough, severe, harsh, cruel)
3
brittle(adjective, aroused negative, aroused bad feelings)
3
cold-hearted(adjective, hard, tough, severe, cold)
3
dangerous(adjective, strong, violent, menacing, fatal)
3
dark
3
demanding
3
demoniacal(adjective, aroused negative)
3
devilish(adjective, evil, harsh, violent, cruel)
3
draconian(adjective, harsh)
3
dreadful
3
flinty(adjective, evil, nasty, harsh, cruel)
3
ghoulish
3
grisly
3
gruesome
10 years ago|27k views|share |citing 
APASmart Define. (2016). brutal thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/brutal/thesaurus/synonyms
ChicagoSmart Define. 2016. "brutal thesaurus" https://smartdefine.org/brutal/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, brutal thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/brutal/thesaurus/synonyms>.
MLASmart Define. "brutal thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/brutal/thesaurus/synonyms>