Hellacious and Oppressive

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

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

Oppressive

Oppressive adjective - Difficult to endure.

Hellacious and oppressive are semantically related. Sometimes you can use "Hellacious" instead an adjective "Oppressive".

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