Fiendish
Fiendish adjective - Of, relating to, or worthy of an evil spirit.
Hadean and fiendish are semantically related. In some cases you can use "Hadean" instead an adjective "Fiendish".
Nearby Words: fiend, fiendishly
Hadean
Hadean adjective - Of or relating to or characteristic of Hades or Tartarus.
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Synonyms for Hadean
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Hadean and Fiendish. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/fiendish/hadean
Fiendish & Hadean. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/fiendish/hadean>.
Hadean or Fiendish. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/fiendish/hadean.
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