91 entries under mysterious topic. ×

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stumping(dark, uncertain)
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sulky(adjective, evil, threatening, nefarious)
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sullen(adjective, evil, threatening, nefarious)
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taciturn(private, reticent, uncommunicative)
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teasing(dark, uncertain)
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threatening(adjective, evil, nefarious, spooky)
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tight-lipped(private, reticent, taciturn, uncommunicative)
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uncommunicative(private, reticent, taciturn)
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upset(adjective, evil, threatening, nefarious)
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vile(adjective, evil, threatening, nefarious)
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wicked(adjective, evil, threatening, nefarious)
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APASmart Define. (2016). cryptic thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/cryptic/thesaurus/synonyms
ChicagoSmart Define. 2016. "cryptic thesaurus" https://smartdefine.org/cryptic/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, cryptic thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/cryptic/thesaurus/synonyms>.
MLASmart Define. "cryptic thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/cryptic/thesaurus/synonyms>