112 entries under harsh topic. ×

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infernal(adjective, violent, cruel, vicious)
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insensible(adjective, mean, hard, cold)
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killer(adjective, mean, severe, cruel)
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killer instinct(expression, adjective, mean, hard)
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monstrous(severe, cruel)
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punitive(severe, cruel)
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rapacious(adjective, violent, cruel, vicious)
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ravening(adjective, violent, cruel, vicious)
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revengeful(adjective, mean, cruel, vicious)
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surly(adjective, mean, severe, cruel)
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tyrannous(severe, cruel)
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vengeful(adjective, severe, cruel, brutal)
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APASmart Define. (2016). remorseless thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/remorseless/thesaurus/synonyms
ChicagoSmart Define. 2016. "remorseless thesaurus" https://smartdefine.org/remorseless/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, remorseless thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/remorseless/thesaurus/synonyms>.
MLASmart Define. "remorseless thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/remorseless/thesaurus/synonyms>