5
unseemly(adjective, rough, offensive, rude, foolish)
5
vindictive(adjective, person, unwarmhearted)
4
abominable(adjective, shocking, shameful, disgraceful)
4
aggressive(adjective, hostile, belligerent)
4
animal(adjective, mean, simple, rough, cruel)
4
awkward(adjective, rough, rude, coarse, vulgar)
4
brute
4
crass(adjective, smooth, rough, offensive, rude)
4
cutthroat(adjective, pitiless)
4
demoniac(adjective, pitiless)
4
diabolical(adjective, animal, mean, awful, violent)
4
heathen
4
hideous(adjective, offensive, rude, stupid, vulgar)
4
horrible(adjective, terrible, vicious, shocking, brutal)
4
insensitive
4
offensive(adjective, violent, terrible, wicked, vulgar)
4
raw(adjective, simple, rough, rude, coarse)
4
rustic(adjective, rough, rude, violent, coarse)
4
uncompassionate(adjective, animal, mean, cruel, vicious)
4
unmerciful(adjective, violent, cruel, vicious, fierce)
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APASmart Define. (2016). barbaric thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/barbaric/thesaurus/synonyms
ChicagoSmart Define. 2016. "barbaric thesaurus" https://smartdefine.org/barbaric/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, barbaric thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/barbaric/thesaurus/synonyms>.
MLASmart Define. "barbaric thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/barbaric/thesaurus/synonyms>