127 entries under obscure topic. ×

10
camouflaged(verb, adjective, quiet, secret)
10
masked(verb, adjective, secret, unknown)
10
mystical(adjective, hard, evil, strange)
9
disguised(verb, adjective, secret, unknown)
9
personal(adjective, close, quiet, private)
9
ulterior(adjective, cover, show, separate)
8
privy(adjective, cover, separate, dark)
8
shrouded(adjective, dark, secret, clandestine)
8
vague(adjective, heavy, strange, doubtful)
7
deep(adjective, hard, evil, complex)
6
cabalistic(adjective, evil, solid, strange)
6
subtle(adjective, quiet, hard, plain)
6
undivulged(cover, dark, equivocal, ulterior)
5
enigmatic(adjective, cover, hard, evil)
5
isolated(adjective, quiet, remote, private)
5
profound(hard, complex, deep, mysterious)
5
remote(adjective, close, quiet, cover, separate)
5
under cover(expression, adjective, idiom, cover, show)
5
unfathomable(adjective, hard, difficult, solid)
5
unknowable(adjective, solid, dark, superior)
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APASmart Define. (2015). hidden thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/hidden/thesaurus/synonyms
ChicagoSmart Define. 2015. "hidden thesaurus" https://smartdefine.org/hidden/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, hidden thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/hidden/thesaurus/synonyms>.
MLASmart Define. "hidden thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/hidden/thesaurus/synonyms>