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sinful(adjective, evil, mysterious, threatening, nefarious)
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sphinxlike(dark, uncertain, mysterious)
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stickling(dark, uncertain, mysterious)
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stumping(dark, uncertain, mysterious)
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sulky(adjective, evil, mysterious, threatening, nefarious)
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sullen(adjective, evil, mysterious, threatening, nefarious)
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teasing(dark, uncertain, mysterious)
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telltale
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threatening(adjective, evil, mysterious, nefarious, spooky)
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uncertain(dark, mysterious)
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unintelligible(dark, uncertain, mysterious)
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unpromising
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upset(adjective, evil, mysterious, threatening, nefarious)
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urban center
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vile(adjective, evil, mysterious, threatening, nefarious)
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wicked(adjective, evil, mysterious, threatening, nefarious)
13 years ago|849 views|share |citing 
APASmart Define. (2013). delphian thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/delphian/thesaurus/synonyms
ChicagoSmart Define. 2013. "delphian thesaurus" https://smartdefine.org/delphian/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2013, delphian thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/delphian/thesaurus/synonyms>.
MLASmart Define. "delphian thesaurus" 17 June 2013. Web. 26 September 2026. <https://smartdefine.org/delphian/thesaurus/synonyms>