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
Sweaty and hellacious are semantically related. In some cases you can use "Sweaty" instead an adjective "Hellacious".
Sweaty
Sweaty adjective - Requiring considerable physical or mental effort.
Usage example: exhausted after a day of sweaty yard work
Hellacious and sweaty are semantically related. Sometimes you can use "Hellacious" instead an adjective "Sweaty".
Mutual synonyms
Cite this Source
Sweaty and Hellacious. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/hellacious/sweaty
Hellacious & Sweaty. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/hellacious/sweaty>.
Sweaty or Hellacious. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/hellacious/sweaty.
Google Ngram Viewer shows how "hellacious" and "sweaty" have occurred on timeline