Abstruse
Abstruse adjective - Difficult for one of ordinary knowledge or intelligence to understand.
Lettered and abstruse are semantically related. In some cases you can use "Lettered" instead an adjective "Abstruse".
Nearby Word: abstrusity
Mutual synonyms
Related pairs
Cite this Source
Lettered and Abstruse. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/abstruse/lettered
Abstruse & Lettered. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/abstruse/lettered>.
Lettered or Abstruse. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/abstruse/lettered.
Google Ngram Viewer shows how "abstruse" and "lettered" have occurred on timeline