30 entries under dark topic. ×

12
invisible(adjective, adverb, obscure, humble)
9
obscure(verb, adjective, secret, unknown)
9
occult(noun, verb, adjective, obscure)
6
latent(adjective, obscure, unknown, hidden)
6
unknown(adjective, obscure, secret, hidden)
5
indiscernible(adjective, obscure, unknown, hidden)
2
cryptic(adjective, obscure, secret, unknown)
2
recondite(adjective, obscure, secret, unknown)
2
undisclosed(obscure, unknown, hidden, imperceptible)
2
unexposed(obscure, secret, unknown, hidden)
2
unrevealed(obscure, secret, unknown, hidden)
1
abstruse(obscure, secret, unknown, hidden)
1
close(obscure, secret, unknown, hidden)
1
clouded(obscure, secret, unknown, hidden)
1
eclipsed(obscure, secret, unknown, hidden)
1
esoteric(adjective, obscure, secret, unknown)
1
hermetic(obscure, secret, unknown, hidden)
1
hermetical(obscure, secret, unknown, hidden)
1
imperceivable(adjective, obscure, secret, unknown)
1
in the dark(expression, idiom, obscure, unknown)
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APASmart Define. (2015). unseen thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unseen/thesaurus/synonyms
ChicagoSmart Define. 2015. "unseen thesaurus" https://smartdefine.org/unseen/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unseen thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unseen/thesaurus/synonyms>.
MLASmart Define. "unseen thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/unseen/thesaurus/synonyms>