Hellacious
Hellacious adjective - Extreme in degree, power, or effect.
Hideous and hellacious are semantically related. In some cases you can use "Hideous" instead an adjective "Hellacious".
Hideous
Hideous adjective - Causing intense displeasure, disgust, or resentment.
Hellacious and hideous are semantically related. Sometimes you can use "Hellacious" instead an adjective "Hideous".
Mutual synonyms
Related pairs
Cite this Source
Hideous and Hellacious. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/hellacious/hideous
Hellacious & Hideous. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/hellacious/hideous>.
Hideous or Hellacious. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/hellacious/hideous.
Google Ngram Viewer shows how "hellacious" and "hideous" have occurred on timeline