Synonyms|248Antonyms|89|Broader|5Narrower|0Related|187
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draconian
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every person for themselves(expression, adjective, idiom, vicious, fierce)
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excessive(adjective, harsh, cruel, extreme, merciless)
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exorbitant(adjective, extreme)
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extravagant(adjective, harsh, cruel, extreme, merciless)
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fancy
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feller(violent, vicious, savage, barbaric)
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flint-hearted
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forbear
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frigid
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grim-faced
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grim-visaged
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hard-nosed(adjective, cruel, brutal, pitiless, callous)
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illiberal
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immoderate(adjective, extreme)
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incompassionate
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inconsiderate
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inordinate
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intolerable
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intractable
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ChicagoSmart Define. 2016. "unmerciful thesaurus" https://smartdefine.org/unmerciful/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, unmerciful thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unmerciful/thesaurus/synonyms>.
MLASmart Define. "unmerciful thesaurus" 31 March 2016. Web. 26 September 2026. <https://smartdefine.org/unmerciful/thesaurus/synonyms>