Frightful and Hellacious

Frightful

Frightful adjective - Extreme in degree, power, or effect.
Usage example: flew into a frightful fit of rage

Hellacious and frightful are semantically related. in terrible topic. In some cases you can use "Hellacious" instead an adjective "Frightful".

Nearby Words: frightening, frightened, fright, frightfully, frighted

Hellacious

Hellacious adjective - Extreme in degree, power, or effect.
Usage example: the hellacious heat was more than we could bear

Frightful and hellacious are semantically related. Sometimes you can use "Frightful" instead an adjective "Hellacious".
Cite this Source
Hellacious and Frightful. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/frightful/hellacious
Frightful & Hellacious. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/frightful/hellacious>.
Hellacious or Frightful. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/frightful/hellacious.
Google Ngram Viewer shows how "frightful" and "hellacious" have occurred on timeline