155 entries under harsh topic. ×

1
unregenerate(adjective, hard, tough, cruel)
1
unremitting(adjective, hard, tough, grim)
1
unrepenting(adjective, hard, tough, cruel)
1
wolfish(adjective, violent, cruel, vicious)
0
coldblooded(adjective, mean, hard, cold)
0
degenerate(adjective, evil, nasty, vicious)
0
galling(adjective, severe, unpleasant, heavy)
0
grueling(adjective, severe, difficult, heavy)
0
ironfisted(adjective, mean, cruel, vicious)
0
killer(adjective, mean, cruel, vicious)
0
pernicious(adjective, evil, nasty, vicious)
0
tyrannous(adjective, severe, cruel)
0
unnatural(adjective, evil, nasty, vicious)
0
vexatious(adjective, severe, unpleasant, heavy)
0
without pity(expression, adjective, mean, cruel)
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APASmart Define. (2016). merciless thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/merciless/thesaurus/synonyms
ChicagoSmart Define. 2016. "merciless thesaurus" https://smartdefine.org/merciless/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, merciless thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/merciless/thesaurus/synonyms>.
MLASmart Define. "merciless thesaurus" 31 March 2016. Web. 30 September 2026. <https://smartdefine.org/merciless/thesaurus/synonyms>