77 entries under merciless topic. ×

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without pity(expression, adjective, mean, harsh, cruel)
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atrocious(adjective, evil, nasty, harsh, vicious)
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cutthroat(adjective, mean, harsh, cruel, vicious)
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dog-eat-dog(adjective, mean, harsh, cruel, vicious)
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hard-nosed(adjective, cruel, brutal, pitiless, callous)
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hardhearted(adjective, cruel, brutal, pitiless, callous)
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killer(adjective, mean, harsh, cruel, vicious)
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mortal(adjective, mean, harsh, cruel, vicious)
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nasty(adjective, mean, unkind, pitiless, malicious)
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obdurate(adjective, mean, harsh, cruel, vicious)
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remorseless(adjective, mean, harsh, cruel, vicious)
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savage(adjective, mean, harsh, cruel, vicious)
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severe(adjective, mean, harsh, cruel, vicious)
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stony(adjective, mean, harsh, cruel, vicious)
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unmerciful(adjective, mean, harsh, cruel, vicious)
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unyielding(adjective, mean, harsh, cruel, vicious)
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wicked(adjective, evil, nasty, harsh, vicious)
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APASmart Define. (2015). revengeful thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/revengeful/thesaurus/synonyms
ChicagoSmart Define. 2015. "revengeful thesaurus" https://smartdefine.org/revengeful/thesaurus/synonyms (accessed October 2, 2026).
HarvardSmart Define 2015, revengeful thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/revengeful/thesaurus/synonyms>.
MLASmart Define. "revengeful thesaurus" 14 April 2015. Web. 2 October 2026. <https://smartdefine.org/revengeful/thesaurus/synonyms>