63 entries under secret topic. ×

2
enigmatic(adjective, cover, evil, obscure, difficult)
2
hermetic(obscure, complex, deep, mysterious)
2
sequestered(unknown, hidden, personal, confidential)
2
under wraps(expression, adjective, dishonest, hidden)
1
difficult(adjective, hard, obscure, dark, heavy)
1
equivocal(adjective, cover, obscure, difficult, dark)
1
intricate(adjective, evil, heavy, deep, doubtful)
1
mystifying(adjective, evil, obscure, dark, strange)
1
off the record(expression, adjective, idiom, separate)
1
out of view(expression, adjective, idiom, obscure, dark)
1
puzzling(adjective, evil, obscure, dark, strange)
1
sub-rosa(dishonest, cunning, deceitful, hidden)
1
underhanded(dishonest, cunning, deceitful, hidden)
0
creep(hidden, spy, covert)
0
complex(adjective, obscure, heavy, serious)
0
hidden from sight(expression, adjective, idiom, hidden)
0
hidden from view(expression, adjective, idiom, hidden)
0
hole-and-corner(hidden, spy, covert)
0
intelligence(hidden, spy, covert)
0
separate(personal, confidential, hush-hush)
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APASmart Define. (2015). concealed thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/concealed/thesaurus/synonyms
ChicagoSmart Define. 2015. "concealed thesaurus" https://smartdefine.org/concealed/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, concealed thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/concealed/thesaurus/synonyms>.
MLASmart Define. "concealed thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/concealed/thesaurus/synonyms>