86 entries under pitiless topic. ×

8
fierce(adjective, animal, mean, harsh, violent)
8
unforgiving(adjective, mean, severe, harsh, cruel)
7
barbarous(adjective, animal, mean, harsh, violent)
7
cold-blooded(adjective, mean, hard, harsh, violent)
7
unfeeling(adjective, animal, mean, hard, severe)
6
adamant(adjective, mean, tough, harsh, resist)
6
hardened(adjective, hard, cold, cruel)
5
inhumane(adjective, animal, mean, hard, severe)
5
unsympathetic(adjective, animal, mean, hard, harsh)
4
sadistic(adjective, mean, harsh, violent, cruel)
4
severe(adjective, mean, harsh, cruel, vicious)
4
uncompassionate(adjective, animal, mean, hard, cold)
4
unkind(adjective, animal, mean, hard, severe)
4
vicious(adjective, mean, harsh, violent, cruel)
4
vindictive(adjective, mean, severe, harsh, cruel)
3
brutish(adjective, violent, cruel, vicious, fierce)
3
ferocious(adjective, animal, mean, harsh, violent)
3
intolerant(adjective, hard, cruel, merciless)
3
steely(adjective, cold, determined, resolute)
3
stony-hearted(adjective, cold, cruel, unfeeling)
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APASmart Define. (2016). remorseless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/remorseless/thesaurus/synonyms
ChicagoSmart Define. 2016. "remorseless thesaurus" https://smartdefine.org/remorseless/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, remorseless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/remorseless/thesaurus/synonyms>.
MLASmart Define. "remorseless thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/remorseless/thesaurus/synonyms>