169 entries under pitiless topic. ×

1
single-minded(adjective, harsh, cruel, determined, fierce)
1
stiff-necked(adjective, firm, determined, resolute, persistent)
1
surly(adjective, mean, hard, tough, severe)
1
tenacious(adjective, persistent, constant, unyielding)
1
unabated(adjective, persistent, constant, unyielding)
1
unamiable(adjective, hard, tough, severe, cold)
1
uncordial(adjective, hard, tough, severe, cold)
1
unemotional(adjective, hard, tough, severe, cold)
1
unprincipled(adjective, vicious, ruthless)
1
unwavering(adjective, firm, determined, resolute, persistent)
0
animal(adjective, cruel, vicious, fierce, brutal)
0
coarse(adjective, rough, cruel, vicious, fierce)
0
competitive(adjective, vicious, fierce, ruthless)
0
constant(adjective, persistent, unyielding, endless)
0
degenerate(adjective, evil, nasty, harsh, vicious)
0
detached(adjective, unfeeling, unsympathetic, hardhearted)
0
hanging tough(expression, adjective, persistent, constant)
0
impolite(adjective, cruel, vicious, fierce)
0
ironfisted(adjective, mean, harsh, cruel, vicious)
0
killer(adjective, mean, harsh, cruel, vicious)
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APASmart Define. (2016). merciless thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/merciless/thesaurus/synonyms
ChicagoSmart Define. 2016. "merciless thesaurus" https://smartdefine.org/merciless/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, merciless thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/merciless/thesaurus/synonyms>.
MLASmart Define. "merciless thesaurus" 31 March 2016. Web. 29 September 2026. <https://smartdefine.org/merciless/thesaurus/synonyms>