52 entries under obscure topic. ×

2
unrevealed(dark, deep, mysterious, unknown)
1
clouded(dark, secret, unknown, hidden)
1
difficult(complex, deep, thoughtful, reflective)
1
eclipsed(dark, secret, unknown, hidden)
1
imperceivable(dark, secret, unknown, hidden)
1
in the dark(expression, idiom, dark, unknown)
1
indiscernible(solid, dark, unknown, dense)
1
invisible(dark, deep, mysterious, unknown)
1
mystic(solid, dark, deep, mysterious)
1
mystical(dark, complex, deep, mysterious)
1
orphic(complex, deep, thoughtful, mysterious)
1
out of view(expression, idiom, dark, unknown)
1
screened(close, quiet, dark, private)
1
shadowy(dark, secret, unknown, hidden)
1
undetected(dark, secret, unknown, hidden)
1
unexposed(dark, secret, unknown, hidden)
1
unknown(dark, deep, mysterious, hidden)
1
unseen(dark, secret, unknown, hidden)
1
veiled(deep, mysterious, secret, unknown)
1
withheld(dark, secret, unknown, hidden)
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APASmart Define. (2015). hermetic thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/hermetic/thesaurus/synonyms
ChicagoSmart Define. 2015. "hermetic thesaurus" https://smartdefine.org/hermetic/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, hermetic thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/hermetic/thesaurus/synonyms>.
MLASmart Define. "hermetic thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/hermetic/thesaurus/synonyms>