2
obscured(cover, obscure, dark, hidden, equivocal)
2
orphic
2
problematic
2
restricted(clandestine, underground, undisclosed)
2
senseless(adjective, meaningless)
2
sphinxlike(dark, strange, uncertain, mysterious, inexplicable)
2
subtle(adjective, sharp, exact, discriminating)
2
terse(adjective, short, brief)
2
thick
2
top-secret(clandestine, underground, undisclosed)
2
top secret(expression, close, inside, clandestine, underground)
2
undecipherable(adjective, illegible)
2
under wraps(expression, cover, obscure, dark, equivocal)
2
undisclosed(cover, obscure, dark, unknown, hidden)
2
undivulged(cover, obscure, dark, equivocal, ulterior)
2
unimaginable(adjective, unfathomable, impenetrable, opaque, unintelligible)
2
uninformative(adjective, obscure, secret)
2
unknown(obscure, dark, strange, secret, hidden)
2
unmeaning(adjective, meaningless)
2
unreadable(adjective, unintelligible)
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APASmart Define. (2016). cryptic thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/cryptic/thesaurus/synonyms
ChicagoSmart Define. 2016. "cryptic thesaurus" https://smartdefine.org/cryptic/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, cryptic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/cryptic/thesaurus/synonyms>.
MLASmart Define. "cryptic thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/cryptic/thesaurus/synonyms>