Abstruse
Abstruse adjective - Difficult for one of ordinary knowledge or intelligence to understand.
Usage example: you're not the only one who finds Einstein's theory of relativity abstruse
Deep is a synonym for abstruse in characteristic topic. In some cases you can use "Deep" instead an adjective "Abstruse", when it comes to topics like difficult, profound, obscure, easy. popular alternative
Nearby Word: abstrusity
Deep
Deep adjective - Being beyond one's powers to know, understand, or explain.
Usage example: a deep, dark secret that he took to his grave
Abstruse is a synonym for deep in profound topic. You can use "Abstruse" instead an adjective "Deep", if it concerns topics such as abstract, difficult, obscure, easy. popular alternative
Mutual synonyms
Cite this Source
Deep and Abstruse. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/abstruse/deep
Abstruse & Deep. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/abstruse/deep>.
Deep or Abstruse. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/abstruse/deep.
Google Ngram Viewer shows how "abstruse" and "deep" have occurred on timeline