Abstruse
Abstruse adjective - Difficult for one of ordinary knowledge or intelligence to understand.
Toilsome and abstruse are semantically related. In some cases you can use "Toilsome" instead an adjective "Abstruse".
Nearby Word: abstrusity
Toilsome
Mutual synonyms
Related pairs
Cite this Source
Toilsome and Abstruse. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/abstruse/toilsome
Abstruse & Toilsome. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/abstruse/toilsome>.
Toilsome or Abstruse. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/abstruse/toilsome.
Google Ngram Viewer shows how "abstruse" and "toilsome" have occurred on timeline