94 entries under hidden topic. ×

3
inconspicuous(adjective, quiet, plain, imperceptible)
3
secreted(verb, adjective, sheltered, covered)
3
unexpressed(adjective, cover, obscure, dark)
3
unperceived(strange, new, remote, mysterious)
2
guarded(adjective, cover, obscure, dark)
2
hermetic(obscure, complex, deep, mysterious, secret)
2
implied(adjective, cover, obscure, dark)
2
lurking(adjective, original, basic, fundamental)
2
perdu(adjective, imperceptible, covered, unseen)
2
sequestered(secret, unknown, personal, confidential)
2
under wraps(expression, adjective, dishonest, secret)
1
closet(personal, fraudulent, confidential, hush-hush)
1
curtained(verb, adjective, imaginary, covered)
1
fraudulent(dishonest, cunning, deceitful, sneaky)
1
impenetrable(obscure, dark, superior, strange, mysterious)
1
on the quiet(expression, idiom, dishonest, cunning, deceitful)
1
out of view(expression, adjective, idiom, obscure, dark)
1
radical(adjective, unusual, original, basic, fundamental)
1
sub-rosa(dishonest, cunning, deceitful, secret)
1
underhanded(dishonest, cunning, deceitful, secret)
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APASmart Define. (2015). concealed thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/concealed/thesaurus/synonyms
ChicagoSmart Define. 2015. "concealed thesaurus" https://smartdefine.org/concealed/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, concealed thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/concealed/thesaurus/synonyms>.
MLASmart Define. "concealed thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/concealed/thesaurus/synonyms>