62 entries under adjective topic. ×

2
savage
2
unsparing
2
unsympathetic(mean, hard, kind, sensitive)
1
severe(mean, hard)
1
unfortunate
1
unkind(mean, hard)
1
austere
1
bitter
1
bloody
1
brutish(calm, careful, apathetic, compassionate)
1
ferocious
1
fiendish
1
unrelenting
1
vicious
0
grim
0
implacable(cruel, merciless)
0
inclement(cruel, merciless)
0
inexorable(cruel, pitiless)
0
murderous
0
relentless(cruel, merciless)
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APASmart Define. (2016). merciful thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/merciful/thesaurus/antonyms
ChicagoSmart Define. 2016. "merciful thesaurus" https://smartdefine.org/merciful/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, merciful thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/merciful/thesaurus/antonyms>.
MLASmart Define. "merciful thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/merciful/thesaurus/antonyms>