Diabolical and Hellacious

Diabolical

Diabolical adjective - Of, relating to, or worthy of an evil spirit.

Hellacious and diabolical are semantically related. in wicked topic. In some cases you can use "Hellacious" instead an adjective "Diabolical".

Nearby Words: diabolism, diabolic, diabolically

Hellacious

Hellacious adjective - Extreme in degree, power, or effect.

Diabolical and hellacious are semantically related. Sometimes you can use "Diabolical" instead an adjective "Hellacious".
Cite this Source
Hellacious and Diabolical. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/diabolical/hellacious
Diabolical & Hellacious. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/diabolical/hellacious>.
Hellacious or Diabolical. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/diabolical/hellacious.
Google Ngram Viewer shows how "diabolical" and "hellacious" have occurred on timeline