Hellacious and Laborious

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

Laborious and hellacious are semantically related. In some cases you can use "Laborious" instead an adjective "Hellacious".

Laborious

Laborious adjective - Requiring considerable physical or mental effort.
Usage example: the laborious task of cleaning up the oil spill

Hellacious and laborious are semantically related. Sometimes you can use "Hellacious" instead an adjective "Laborious".
Cite this Source
Laborious and Hellacious. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/hellacious/laborious
Hellacious & Laborious. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/hellacious/laborious>.
Laborious or Hellacious. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/hellacious/laborious.
Google Ngram Viewer shows how "hellacious" and "laborious" have occurred on timeline