Hellacious
Hellacious adjective - Extreme in degree, power, or effect.
Nefarious and hellacious are semantically related. In some cases you can use "Nefarious" instead an adjective "Hellacious".
Nefarious
Nefarious adjective - Not conforming to a high moral standard; morally unacceptable.
Hellacious and nefarious are semantically related. Sometimes you can use "Hellacious" instead an adjective "Nefarious".
Cite this Source
Nefarious and Hellacious. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/hellacious/nefarious
Hellacious & Nefarious. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/hellacious/nefarious>.
Nefarious or Hellacious. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/hellacious/nefarious.
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