Abstruse
Abstruse adjective - Difficult for one of ordinary knowledge or intelligence to understand.
Hellacious and abstruse are semantically related. In some cases you can use "Hellacious" instead an adjective "Abstruse".
Nearby Word: abstrusity
Hellacious
Hellacious adjective - Requiring considerable physical or mental effort.
Usage example: the pioneers survived a particularly hellacious river crossing with their covered wagon barely in one piece
Abstruse and hellacious are semantically related. Sometimes you can use "Abstruse" instead an adjective "Hellacious".
Cite this Source
Hellacious and Abstruse. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/abstruse/hellacious
Abstruse & Hellacious. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/abstruse/hellacious>.
Hellacious or Abstruse. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/abstruse/hellacious.
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