14
unsympathetic(adjective, animal, person, mean, cruel)
13
bloodthirsty(adjective, violent, cruel, vicious, fierce)
13
cold-blooded(adjective, person, violent, cruel, vicious)
13
merciless(adjective, rough, violent, cruel, vicious)
13
rough(adjective, smooth, simple, offensive, rude)
13
uncouth(adjective, smooth, rough, offensive, rude)
12
crude(adjective, smooth, simple, rough, offensive)
12
boorish(adjective, smooth, rough, rude, cruel)
12
primitive(adjective, rough, rude, violent, wild)
11
coarse(adjective, smooth, rough, offensive, rude)
11
sadistic(adjective, person, rude, violent, cruel)
11
tasteless(adjective, smooth, rough, offensive, rude)
10
uncultured(adjective, smooth, simple, rough, rude)
10
outrageous(adjective, bad, unusual, strange, shocking)
10
unrefined(adjective, smooth, rough, offensive, rude)
9
bestial(adjective, animal, mean, harsh, violent)
9
fell(adjective, animal, mean, violent, cruel)
9
murderous(adjective, violent, cruel, vicious, fierce)
9
uncivil(adjective, rough, rude, wild, cruel)
9
uncivilised
10 years ago|17k views|share |citing 
APASmart Define. (2016). barbaric thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/barbaric/thesaurus/synonyms
ChicagoSmart Define. 2016. "barbaric thesaurus" https://smartdefine.org/barbaric/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, barbaric thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/barbaric/thesaurus/synonyms>.
MLASmart Define. "barbaric thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/barbaric/thesaurus/synonyms>