29 entries under unknown topic. ×

6
undetected(adjective, knowledge, obscure, dark)
6
undisclosed(adjective, obscure, dark, secret)
5
invisible(adjective, obscure, dark, hidden)
4
latent(adjective, obscure, dark, hidden)
4
unrevealed(adjective, obscure, dark, secret)
3
mysterious(adjective, obscure, dark, secret)
3
obscure(adjective, dark, secret, hidden)
2
unseen(obscure, dark, secret, hidden)
1
abstruse(obscure, dark, secret, hidden)
1
close(obscure, dark, secret, hidden)
1
clouded(obscure, dark, secret, hidden)
1
cryptic(adjective, obscure, dark, secret)
1
eclipsed(obscure, dark, secret, hidden)
1
esoteric(adjective, obscure, dark, secret)
1
hermetic(obscure, dark, secret, hidden)
1
hermetical(obscure, dark, secret, hidden)
1
imperceivable(obscure, dark, secret, hidden)
1
in the dark(expression, idiom, obscure, dark)
1
indiscernible(obscure, dark, secret, hidden)
1
mystic(obscure, dark, secret, hidden)
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APASmart Define. (2015). unexposed thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unexposed/thesaurus/synonyms
ChicagoSmart Define. 2015. "unexposed thesaurus" https://smartdefine.org/unexposed/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unexposed thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unexposed/thesaurus/synonyms>.
MLASmart Define. "unexposed thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/unexposed/thesaurus/synonyms>