48 entries under nefarious topic. ×

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knotty(adjective, evil, deep, mysterious, hidden)
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not known(expression, adjective, evil, deep, mysterious)
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satanic(adjective, evil, mysterious, threatening)
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scowling(adjective, evil, mysterious, threatening)
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sinful(adjective, evil, mysterious, threatening)
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threatening(adjective, evil, mysterious, spooky)
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upset(adjective, evil, mysterious, threatening)
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vile(adjective, evil, mysterious, threatening)
<123>
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APASmart Define. (2015). concealed thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/concealed/thesaurus/synonyms
ChicagoSmart Define. 2015. "concealed thesaurus" https://smartdefine.org/concealed/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, concealed thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/concealed/thesaurus/synonyms>.
MLASmart Define. "concealed thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/concealed/thesaurus/synonyms>