37 entries under barbaric topic. ×

31
merciless(adjective, mean, hard, kind, tough)
26
ruthless(adjective, mean, hard, tough, severe)
24
cruel(adjective, mean, severe, harsh, violent)
23
pitiless(adjective, mean, hard, kind, tough)
15
brutal(adjective, mean, severe, harsh, violent)
13
relentless(adjective, mean, hard, tough, severe)
9
inhumane(adjective, mean, hard, tough, severe)
9
savage(adjective, mean, hard, tough, harsh)
7
bloodthirsty(adjective, severe, harsh, violent, cruel)
7
brutish(adjective, violent, cruel, vicious, fierce)
7
ferocious(adjective, mean, harsh, violent, cruel)
6
barbarous(adjective, mean, hard, tough, severe)
6
fierce(adjective, mean, hard, tough, severe)
6
implacable(adjective, mean, hard, tough, severe)
6
inhuman(adjective, mean, hard, tough, harsh)
6
vicious(adjective, mean, harsh, violent, cruel)
2
feral(adjective, mean, harsh, violent, cruel)
2
murderous(adjective, hard, tough, harsh, violent)
2
tigerish(adjective, violent, cruel, vicious, fierce)
2
violent(adjective, cruel, vicious, fierce, savage)
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APASmart Define. (2016). unmerciful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unmerciful/thesaurus/synonyms
ChicagoSmart Define. 2016. "unmerciful thesaurus" https://smartdefine.org/unmerciful/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unmerciful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unmerciful/thesaurus/synonyms>.
MLASmart Define. "unmerciful thesaurus" 31 March 2016. Web. 28 September 2026. <https://smartdefine.org/unmerciful/thesaurus/synonyms>