31 entries under obscure topic. ×

12
indistinct(adjective, ambiguous, imperceptible)
11
invisible(adjective, knowledge, dark, subtle)
5
latent(adjective, dark, secret, unknown)
4
unseen(adjective, dark, unknown, hidden)
3
shadowy(adjective, dark, unknown, subtle)
2
clouded(adjective, dark, secret, unknown)
1
abstruse(dark, secret, unknown, hidden)
1
close(solid, dark, unknown, dense)
1
cryptic(dark, secret, unknown, hidden)
1
eclipsed(dark, secret, unknown, hidden)
1
esoteric(dark, secret, unknown, hidden)
1
hermetic(solid, dark, unknown, dense)
1
hermetical(dark, secret, unknown, hidden)
1
imperceivable(dark, secret, unknown, hidden)
1
in the dark(expression, idiom, dark, unknown)
1
mysterious(solid, dark, unknown, dense)
1
mystic(solid, dark, unknown, dense)
1
mystical(dark, secret, unknown, hidden)
1
occult(dark, unknown, hidden, imperceptible)
1
out of view(expression, idiom, dark, unknown)
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APASmart Define. (2015). indiscernible thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/indiscernible/thesaurus/synonyms
ChicagoSmart Define. 2015. "indiscernible thesaurus" https://smartdefine.org/indiscernible/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, indiscernible thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/indiscernible/thesaurus/synonyms>.
MLASmart Define. "indiscernible thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/indiscernible/thesaurus/synonyms>