Hellacious
Hellacious adjective - Extreme in degree, power, or effect.
Horrible and hellacious are semantically related In some cases you can use "Horrible" instead an adjective "Hellacious".
Horrible
Horrible adjective - Extremely disturbing or repellent.
Hellacious and horrible are semantically related (North American) in terrible topic. Sometimes you can use "Hellacious" instead an adjective "Horrible". informal substitute
Mutual synonyms
Related pairs
Cite this Source
Horrible and Hellacious. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/hellacious/horrible
Hellacious & Horrible. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/hellacious/horrible>.
Horrible or Hellacious. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/hellacious/horrible.
Google Ngram Viewer shows how "hellacious" and "horrible" have occurred on timeline