113 entries under obscure topic. ×

2
unseen(adjective, dark, secret, unknown)
1
Delphian(adjective, evil, dark, uncertain)
1
apocryphal(adjective, secret)
1
backdoor(close, unknown, inside, clandestine)
1
buried(cover, dark, unknown, hidden)
1
camouflaged(close, unknown, clandestine, underground)
1
clear as dishwater(expression, uncertain, vague, unclear)
1
clouded(dark, unknown, hidden, indefinite)
1
complicated(adjective, evil, difficult, sophisticated)
1
covered(secret, unknown, hidden, concealed)
1
difficult(adjective, hard, dark, heavy)
1
disguised(secret, unknown, hidden, clandestine)
1
eclipsed(dark, secret, unknown, hidden)
1
hermetical(dark, secret, unknown, hidden)
1
imperceivable(dark, secret, unknown, hidden)
1
indiscernible(dark, secret, unknown, hidden)
1
intricate(adjective, evil, difficult, sophisticated)
1
invisible(dark, secret, unknown, hidden)
1
muddy(uncertain, vague, unclear, indefinite)
1
on the QT(expression, idiom, mysterious, reticent)
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APASmart Define. (2016). cryptic thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/cryptic/thesaurus/synonyms
ChicagoSmart Define. 2016. "cryptic thesaurus" https://smartdefine.org/cryptic/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, cryptic thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/cryptic/thesaurus/synonyms>.
MLASmart Define. "cryptic thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/cryptic/thesaurus/synonyms>