11
greedy
7
violent(feature, characteristic, detail)
6
ruthless(adjective, feature, characteristic, detail)
5
fierce(adjective, feature, characteristic, detail, cruel)
5
insane
5
mad
5
pitiless(adjective, feature, characteristic, detail)
5
spooky
4
bear(feature, characteristic, trait)
4
tigerish
4
unpitying
3
angry speech
3
cruel(feature, characteristic, detail)
3
cutthroat
3
grimly
3
mortal
3
powerful(feature, characteristic, detail)
3
remorseless
3
self-absorbed(adjective, brutal, atrocious, barbaric, barbarous)
3
shameful
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APASmart Define. (2016). merciless thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/merciless/thesaurus/related
ChicagoSmart Define. 2016. "merciless thesaurus" https://smartdefine.org/merciless/thesaurus/related (accessed September 28, 2026).
HarvardSmart Define 2016, merciless thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/merciless/thesaurus/related>.
MLASmart Define. "merciless thesaurus" 31 March 2016. Web. 28 September 2026. <https://smartdefine.org/merciless/thesaurus/related>