Fiendish
Fiendish adjective - Of, relating to, or worthy of an evil spirit.
Unkind and fiendish are semantically related. In some cases you can use "Unkind" instead an adjective "Fiendish".
Nearby Words: fiend, fiendishly
Mutual synonyms
Cite this Source
Unkind and Fiendish. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/fiendish/unkind
Fiendish & Unkind. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/fiendish/unkind>.
Unkind or Fiendish. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/fiendish/unkind.
Google Ngram Viewer shows how "fiendish" and "unkind" have occurred on timeline