41 entries under obscure topic. ×

4
arcane(adjective, intimate, secret, private)
4
esoteric(secret, unknown, clandestine, underground)
4
undisclosed(unknown, personal, clandestine, underground)
3
close(intimate, private, unknown, clandestine)
3
mysterious(unknown, clandestine, underground, undisclosed)
2
cryptic(unknown, clandestine, underground, undisclosed)
2
furtive(adjective, secret, unknown, clandestine)
2
occult(unknown, clandestine, underground, undisclosed)
2
private(adjective, intimate, secret, unknown)
2
unrevealed(unknown, clandestine, underground, undisclosed)
1
backdoor(sensitive, intimate, secret, private)
1
camouflaged(unknown, clandestine, underground, undisclosed)
1
closet(noun, intimate, secret, private)
1
disguised(unknown, clandestine, underground, undisclosed)
1
on the QT(expression, idiom, sensitive, private)
1
underground(unknown, clandestine, undisclosed, unrevealed)
1
unpublished(adjective, unknown, clandestine, underground)
0
abstruse(unknown, clandestine, underground, undisclosed)
0
ambiguous(unknown, clandestine, underground, undisclosed)
0
cloak-and-dagger(secret, unknown, clandestine, underground)
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APASmart Define. (2015). classified thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/classified/thesaurus/synonyms
ChicagoSmart Define. 2015. "classified thesaurus" https://smartdefine.org/classified/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, classified thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/classified/thesaurus/synonyms>.
MLASmart Define. "classified thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/classified/thesaurus/synonyms>