Helluva
Nightmarish and helluva are semantically related. In some cases you can use "Nightmarish" instead an adjective "Helluva".
Nightmarish
Nightmarish adjective - Extremely disturbing or repellent.
Helluva and nightmarish are semantically related. You can use "Helluva" instead an adjective "Nightmarish".
Nearby Word: nightmare
Mutual synonyms
Cite this Source
Nightmarish and Helluva. (2016). Retrieved 2026, August 18, from https://thesaurus.plus/related/helluva/nightmarish
Helluva & Nightmarish. N.p., 2016. Web. 18 Aug. 2026. <https://thesaurus.plus/related/helluva/nightmarish>.
Nightmarish or Helluva. 2016. Accessed August 18, 2026. https://thesaurus.plus/related/helluva/nightmarish.
Google Ngram Viewer shows how "helluva" and "nightmarish" have occurred on timeline