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