4
grotesque(adjective, inelegance)
4
heathen(adjective, sectarian)
4
heinous(adjective, wicked, shocking, shameful, disgraceful)
4
homicidal
4
impetuous(strong, violent, fierce, brutal, ferocious)
4
mean(adjective, animal, hard, severe, nasty)
4
nasty(adjective, mean, violent, wild, cruel)
4
pagan(adjective, sectarian)
4
passionate(strong, violent, fierce, brutal, ferocious)
4
stony-hearted(adjective, cold, cruel, unfeeling, unsympathetic)
4
uncharitable(adjective, mean, ill, hostile, unfriendly)
4
unchristian(adjective, sectarian)
4
uncivilised
4
unforgiving(adjective, mean, hard, tough, severe)
4
ungraceful
4
unrelenting(adjective, animal, appearance, mean, hard)
4
wolfish(adjective, kind, harsh, violent, cruel)
3
abominable(adjective, adverb, low, offensive, base)
3
animal(noun, adjective, adverb, mean, strong)
3
antihumanitarian(adjective, aroused negative, aroused bad feelings)
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APASmart Define. (2016). barbarous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/barbarous/thesaurus/synonyms
ChicagoSmart Define. 2016. "barbarous thesaurus" https://smartdefine.org/barbarous/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, barbarous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/barbarous/thesaurus/synonyms>.
MLASmart Define. "barbarous thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/barbarous/thesaurus/synonyms>