Hidden
Hidden adjective - Screened or sequestered from view.
Usage example: a hidden beach that very few know how to get to
Secret
Secret adjective - Undertaken or done so as to escape being observed or known by others.
Usage example: a secret operation to rescue captive soldiers behind enemy lines
Hidden is a synonym for secret in participle topic. You can use "Hidden" instead an adjective "Secret", if it concerns topics such as property, show, cryptic, secluded. popular alternative
Mutual synonyms
Both words in one sentence
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It doesn't have to involve books; it could be any kind of hidden or secret passage with a disguised door.
Source: Bookcase Passage -
The secret/hidden mission "The Two Goddesses" changes the "Hero 30" logo to 'Valhalla Knights 30', and the enemy in this mission is not a Dark Lord but the other game's Goddess of Judgment.
Source: Video Game / Half-Minute Hero -
A secret one, built in secret and hidden somehow to keep it secret, which, despite it's secrecy, is somehow known to be named "Base 211" by conspiracy theorists.
Source: Black Site
Cite this Source
Secret and Hidden. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/hidden/secret
Hidden & Secret. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/hidden/secret>.
Secret or Hidden. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/hidden/secret.
Google Ngram Viewer shows how "hidden" and "secret" have occurred on timeline