Abstruse and Arcane

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

Arcane is a synonym for abstruse in obscure topic. In some cases you can use "Arcane" instead an adjective "Abstruse".

Nearby Word: abstrusity

Arcane

Arcane adjective - Difficult for one of ordinary knowledge or intelligence to understand.
Usage example: grammatical rules that seem arcane to generations of students who were never taught grammar in the first place

Abstruse is a synonym for arcane in esoteric topic. You can use "Abstruse" instead an adjective "Arcane".
Cite this Source
Arcane and Abstruse. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/abstruse/arcane
Abstruse & Arcane. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/abstruse/arcane>.
Arcane or Abstruse. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/abstruse/arcane.
Google Ngram Viewer shows how "abstruse" and "arcane" have occurred on timeline