Fiendish
Fiendish adjective - Of, relating to, or worthy of an evil spirit.
Usage example: a fiendish delight in playing cruel tricks
Hellish is a synonym for fiendish in kind topic. In some cases you can use "Hellish" instead an adjective "Fiendish", when it comes to topics like horrible, wicked, diabolical, malevolent. popular alternative
Nearby Words: fiend, fiendishly
Mutual synonyms
Related pairs
Cite this Source
Hellish and Fiendish. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/fiendish/hellish
Fiendish & Hellish. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/fiendish/hellish>.
Hellish or Fiendish. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/fiendish/hellish.
Google Ngram Viewer shows how "fiendish" and "hellish" have occurred on timeline