Hellacious
Hellacious adjective - Extreme in degree, power, or effect.
Ruthless and hellacious are semantically related. In some cases you can use "Ruthless" instead an adjective "Hellacious".
Ruthless
Ruthless adjective - Having or showing a lack of sympathy or tender feelings.
Hellacious and ruthless are semantically related. Sometimes you can use "Hellacious" instead an adjective "Ruthless".
Nearby Words: ruthlessly, ruth
Cite this Source
Ruthless and Hellacious. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/hellacious/ruthless
Hellacious & Ruthless. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/hellacious/ruthless>.
Ruthless or Hellacious. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/hellacious/ruthless.
Google Ngram Viewer shows how "hellacious" and "ruthless" have occurred on timeline