52 entries under mysterious topic. ×

5
esoteric(adjective, feature, characteristic, obscure, description)
5
impenetrable(adjective, feature, characteristic, obscure, description)
5
indefinite(adjective, dull, weak, rough, strange)
5
infamous(adjective, evil, threatening, nefarious)
5
infernal(adjective, evil, threatening, nefarious)
5
intricate(adjective, hard, evil, delicate, loose)
5
invisible(adjective, obscure, superior, unknown)
5
unintelligible(adjective, hard, obscure, rough, solid)
4
satanic(adjective, evil, threatening, nefarious)
3
unrevealed(adjective, feature, characteristic, obscure)
3
veiled(adjective, feature, characteristic, obscure)
1
recherche(adjective, feature, obscure, hidden)
<123>
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APASmart Define. (2016). dark thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/dark/thesaurus/synonyms
ChicagoSmart Define. 2016. "dark thesaurus" https://smartdefine.org/dark/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, dark thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/dark/thesaurus/synonyms>.
MLASmart Define. "dark thesaurus" 3 April 2016. Web. 28 September 2026. <https://smartdefine.org/dark/thesaurus/synonyms>