145 entries under pitiless topic. ×

1
intolerant(adjective, hard, tough, harsh, cruel)
1
iron-fisted(adjective, mean, severe, harsh, cruel)
1
iron-hearted(adjective, hard, tough, severe, cold)
1
ironfisted(adjective, mean, cruel, brutal)
1
mean machine(expression, adjective, mean, severe, harsh)
1
painful(adjective, evil, nasty, harsh, unpleasant)
1
pernicious(adjective, evil, nasty, harsh, vicious)
1
sensationless(adjective, hard, tough, severe, cold)
1
senseless(adjective, hard, tough, severe, cold)
1
unamiable(adjective, hard, tough, severe, cold)
1
uncalled-for(adjective, mean, severe, harsh, cruel)
1
uncivil(adjective, hard, severe, sharp, nasty)
1
uncordial(adjective, hard, tough, severe, cold)
1
unnatural(adjective, evil, nasty, harsh, vicious)
1
vengeful(adjective, mean, severe, evil, nasty)
1
wanton(adjective, mean, severe, harsh, cruel)
1
without pity(expression, adjective, mean, cruel, brutal)
0
competitive(adjective, vicious, fierce, ironfisted)
0
degenerate(adjective, evil, nasty, harsh, vicious)
0
excruciating(adjective, evil, nasty, harsh, vicious)
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APASmart Define. (2016). ruthless thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/ruthless/thesaurus/synonyms
ChicagoSmart Define. 2016. "ruthless thesaurus" https://smartdefine.org/ruthless/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, ruthless thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/ruthless/thesaurus/synonyms>.
MLASmart Define. "ruthless thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/ruthless/thesaurus/synonyms>