88 entries under brutal topic. ×

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cannibalistic(adjective, animal, mean, cruel, vicious)
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devilish(adjective, animal, mean, cruel, vicious)
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diabolical(adjective, animal, mean, cruel, vicious)
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fiendish(adjective, animal, mean, cruel, vicious)
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killer(adjective, mean, harsh, cruel, vicious)
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malign(adjective, animal, mean, cruel, vicious)
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malignant(adjective, animal, mean, cruel, vicious)
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rugged(adjective, strong, hard, tough, harsh)
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APASmart Define. (2016). implacable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/implacable/thesaurus/synonyms
ChicagoSmart Define. 2016. "implacable thesaurus" https://smartdefine.org/implacable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, implacable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/implacable/thesaurus/synonyms>.
MLASmart Define. "implacable thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/implacable/thesaurus/synonyms>