35 entries under obscure topic. ×

7
mysterious(adjective, strange, secret, private)
6
conspiratorial(adjective, unknown, underground, sneaky)
6
private(adjective, secret, unknown, hidden)
5
underground(adjective, secret, unknown, hidden)
3
arcane(adjective, strange, secret, unknown)
3
cryptic(adjective, close, strange, reticent)
3
mystical(strange, unknown, clandestine, underground)
3
occult(strange, unknown, clandestine, underground)
3
unknown(strange, clandestine, underground, curious)
2
abstruse(strange, unknown, clandestine, underground)
2
backdoor(close, unknown, clandestine, underground)
2
classified(adjective, secret, unknown, clandestine)
2
esoteric(strange, unknown, clandestine, underground)
2
recondite(adjective, strange, unknown, clandestine)
1
camouflaged(close, secret, unknown, hidden)
1
cloak-and-dagger(unknown, hidden, clandestine, underground)
1
closet(adjective, unknown, hidden, clandestine)
1
enigmatical(strange, unknown, clandestine, underground)
1
mystic(unknown, clandestine, underground, undisclosed)
1
shrouded(secret, unknown, hidden, clandestine)
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APASmart Define. (2015). furtive thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/furtive/thesaurus/synonyms
ChicagoSmart Define. 2015. "furtive thesaurus" https://smartdefine.org/furtive/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, furtive thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/furtive/thesaurus/synonyms>.
MLASmart Define. "furtive thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/furtive/thesaurus/synonyms>