Hellacious and Inhuman

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

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

Inhuman

Inhuman adjective - Difficult to endure.

Hellacious and inhuman are semantically related. Sometimes you can use "Hellacious" instead an adjective "Inhuman".

Cite this Source
Inhuman and Hellacious. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/hellacious/inhuman
Hellacious & Inhuman. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/hellacious/inhuman>.
Inhuman or Hellacious. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/hellacious/inhuman.
Google Ngram Viewer shows how "hellacious" and "inhuman" have occurred on timeline