Cruel
Cruel adjective - Having or showing the desire to inflict severe pain and suffering on others.
Hellacious and cruel are semantically related. In some cases you can use "Hellacious" instead an adjective "Cruel".
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
Cruel and hellacious are semantically related. Sometimes you can use "Cruel" instead an adjective "Hellacious".
Mutual synonyms
Cite this Source
Hellacious and Cruel. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/cruel/hellacious
Cruel & Hellacious. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/cruel/hellacious>.
Hellacious or Cruel. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/cruel/hellacious.
Google Ngram Viewer shows how "cruel" and "hellacious" have occurred on timeline