1
sneaky(clandestine, underground, undisclosed)
1
so-and-so(adjective, strange, new, remote, mysterious)
1
solitary(isolated, reclusive, uncompanionable)
1
spectral(adjective, obscure, dark, superior, supernatural)
1
stealthy(clandestine, underground, undisclosed)
1
such-and-such(adjective, strange, new, remote, mysterious)
1
superior(adjective, obscure, dark, mysterious, supernatural)
1
supermundane(adjective, obscure, dark, superior, supernatural)
1
unbreatheable
1
uncelebrated(adjective, strange, new, remote, mysterious)
1
unclassified
1
uncomprehensible(adjective, obscure, dark, superior, mysterious)
1
unconfessed
1
unconversant(unknowing, hermetical, unbriefed)
1
undeclared
1
under security
1
undescribed
1
undisclosable
1
undiscoverable
1
undistinguished(adjective, strange, new, remote, indefinite)
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APASmart Define. (2015). unrevealed thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unrevealed/thesaurus/synonyms
ChicagoSmart Define. 2015. "unrevealed thesaurus" https://smartdefine.org/unrevealed/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unrevealed thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unrevealed/thesaurus/synonyms>.
MLASmart Define. "unrevealed thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/unrevealed/thesaurus/synonyms>