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
Recondite and hellacious are semantically related. In some cases you can use "Recondite" instead an adjective "Hellacious".
Recondite
Recondite adjective - Difficult for one of ordinary knowledge or intelligence to understand.
Hellacious and recondite are semantically related. Sometimes you can use "Hellacious" instead an adjective "Recondite".
Cite this Source
Recondite and Hellacious. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/hellacious/recondite
Hellacious & Recondite. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/hellacious/recondite>.
Recondite or Hellacious. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/hellacious/recondite.
Google Ngram Viewer shows how "hellacious" and "recondite" have occurred on timeline