Hellacious
Hellacious adjective - Extreme in degree, power, or effect.
Stupefying and hellacious are semantically related. In some cases you can use "Stupefying" instead an adjective "Hellacious".
Stupefying
Stupefying adjective - Causing a strong emotional reaction because of unexpectedness.
Hellacious and stupefying are semantically related. Sometimes you can use "Hellacious" instead an adjective "Stupefying".
Mutual synonyms
Cite this Source
Stupefying and Hellacious. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/hellacious/stupefying
Hellacious & Stupefying. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/hellacious/stupefying>.
Stupefying or Hellacious. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/hellacious/stupefying.
Google Ngram Viewer shows how "hellacious" and "stupefying" have occurred on timeline