110 entries under noun topic. ×

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fight(attack, grievance, retaliation, vengeance)
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firmness
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getting even(expression, attack, grievance, retaliation)
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grievance(attack, retaliation, vengeance, retribution)
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hardheartedness(ruthlessness, pitilessness, mercilessness)
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hate(hatred, hostility, antipathy, spite)
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hatred(hate, antipathy, spite, meanness)
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imperviousness
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irreconcilability
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meanness(hatred, hate, hostility, antipathy)
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measure for measure(expression, idiom, attack, grievance)
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mercilessness(ruthlessness, pitilessness, relentlessness)
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mischievousness(hatred, spite, meanness, nastiness)
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nastiness(hatred, spite, meanness, malevolence)
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persistency
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pitilessness(ruthlessness, mercilessness, relentlessness)
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repayment(attack, grievance, retaliation, vengeance)
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reprisal(attack, grievance, retaliation, vengeance)
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repugnance(hatred, hate, antipathy, spite)
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requital(attack, grievance, retaliation, vengeance)
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APASmart Define. (2015). implacability thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/implacability/thesaurus/synonyms
ChicagoSmart Define. 2015. "implacability thesaurus" https://smartdefine.org/implacability/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, implacability thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/implacability/thesaurus/synonyms>.
MLASmart Define. "implacability thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/implacability/thesaurus/synonyms>