55 entries under obscure topic. ×

12
invisible(adjective, adverb, dark, humble)
9
occult(noun, verb, adjective, dark)
6
latent(adjective, dark, unknown, hidden)
6
unknown(adjective, dark, secret, hidden)
5
indiscernible(adjective, dark, unknown, hidden)
5
shrouded(verb, adjective, secret, unknown)
3
unintelligible(unknown, clandestine, underground, undisclosed)
2
camouflaged(secret, unknown, hidden, covered)
2
cryptic(adjective, dark, secret, unknown)
2
disguised(secret, unknown, hidden, imperceptible)
2
private(adjective, secret, unknown, hidden)
2
recondite(adjective, dark, secret, unknown)
2
undisclosed(dark, unknown, hidden, imperceptible)
2
unexposed(dark, secret, unknown, hidden)
2
unrevealed(dark, secret, unknown, hidden)
1
abstruse(dark, secret, unknown, hidden)
1
arcane(adjective, unknown, clandestine, underground)
1
close(dark, secret, unknown, hidden)
1
clouded(dark, secret, unknown, hidden)
1
covered(secret, unknown, hidden, concealed)
<123>
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APASmart Define. (2015). unseen thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unseen/thesaurus/synonyms
ChicagoSmart Define. 2015. "unseen thesaurus" https://smartdefine.org/unseen/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unseen thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unseen/thesaurus/synonyms>.
MLASmart Define. "unseen thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/unseen/thesaurus/synonyms>