Synonyms|248Antonyms|89|Broader|5Narrower|0Related|187

187 entries under adjective topic. ×

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dogged
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every person for themselves(expression, idiom, vicious, fierce)
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excessive(harsh, cruel, extreme, merciless)
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exorbitant
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extravagant(harsh, cruel, extreme, merciless)
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frigid
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hard-nosed(cruel, brutal, pitiless, callous)
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illiberal
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immoderate
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inconsiderate
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intractable
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obstinate
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persevering
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punitive(severe, harsh, cruel)
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rigid
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steely
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stern(mean, harsh, cruel, vicious)
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stiff
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stiff-necked
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stormy
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ChicagoSmart Define. 2016. "unmerciful thesaurus" https://smartdefine.org/unmerciful/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, unmerciful thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unmerciful/thesaurus/synonyms>.
MLASmart Define. "unmerciful thesaurus" 31 March 2016. Web. 27 September 2026. <https://smartdefine.org/unmerciful/thesaurus/synonyms>