70 entries under merciless topic. ×

1
vindictive(adjective, mean, harsh, cruel, determined)
1
without pity(expression, adjective, mean, harsh, cruel)
0
fierce(adjective, mean, hard, rough, harsh)
0
barbarous(adjective, mean, harsh, cruel, vicious)
0
brutal(adjective, mean, harsh, cruel, vicious)
0
cutthroat(adjective, mean, harsh, cruel, vicious)
0
dog-eat-dog(adjective, mean, harsh, cruel, vicious)
0
hardhearted(adjective, cruel, brutal, pitiless, callous)
0
rancorous(adjective, mean, harsh, cruel, vicious)
0
sadistic(adjective, mean, harsh, cruel, vicious)
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APASmart Define. (2016). adamant thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/adamant/thesaurus/synonyms
ChicagoSmart Define. 2016. "adamant thesaurus" https://smartdefine.org/adamant/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, adamant thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/adamant/thesaurus/synonyms>.
MLASmart Define. "adamant thesaurus" 23 March 2016. Web. 1 October 2026. <https://smartdefine.org/adamant/thesaurus/synonyms>