Abstruse
Abstruse adjective - Difficult for one of ordinary knowledge or intelligence to understand.
Hidden is a synonym for abstruse in obscure topic. In some cases you can use "Hidden" instead an adjective "Abstruse", when it comes to topics like mysterious, difficult to understand.
Nearby Word: abstrusity
Hidden
Hidden adjective - Screened or sequestered from view.
Mutual synonyms
Both words in one sentence
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Abstruse Goose has mouseover Alt Text and an alternate title hidden in full text of the image location (found by viewing the image info).
Source: Alt Text
Cite this Source
Hidden and Abstruse. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/abstruse/hidden
Abstruse & Hidden. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/abstruse/hidden>.
Hidden or Abstruse. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/abstruse/hidden.
Google Ngram Viewer shows how "abstruse" and "hidden" have occurred on timeline