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