77 entries under merciless topic. ×

1
painful(adjective, severe, evil, nasty, harsh)
1
revengeful(adjective, mean, evil, nasty, harsh)
1
stern(adjective, appearance, mean, severe, harsh)
1
stony(adjective, mean, hard, harsh, cold)
1
unappeasable(adjective, mean, severe, harsh, cruel)
1
unnatural(adjective, evil, nasty, harsh, vicious)
1
unyielding(adjective, appearance, mean, hard, tough)
0
adamant(adjective, mean, harsh, cruel, vicious)
0
bitter(adjective, evil, nasty, harsh, vicious)
0
excruciating(adjective, evil, nasty, harsh, vicious)
0
hard-nosed(adjective, cruel, brutal, pitiless, callous)
0
ironfisted(adjective, mean, harsh, cruel, vicious)
0
killer(adjective, mean, harsh, cruel, vicious)
0
pernicious(adjective, evil, nasty, harsh, vicious)
0
poignant(adjective, evil, nasty, harsh, vicious)
0
vengeful(adjective, evil, nasty, harsh, vicious)
0
without pity(expression, adjective, mean, harsh, cruel)
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APASmart Define. (2016). barbarous thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/barbarous/thesaurus/synonyms
ChicagoSmart Define. 2016. "barbarous thesaurus" https://smartdefine.org/barbarous/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, barbarous thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/barbarous/thesaurus/synonyms>.
MLASmart Define. "barbarous thesaurus" 24 March 2016. Web. 1 October 2026. <https://smartdefine.org/barbarous/thesaurus/synonyms>