Formidable
Formidable adjective - Causing fear.
Zealous and formidable are semantically related. In some cases you can use "Zealous" instead an adjective "Formidable".
Nearby Word: formidably
Zealous
Zealous adjective - Marked by active interest and enthusiasm.
Formidable and zealous are semantically related. Sometimes you can use "Formidable" instead an adjective "Zealous".
Cite this Source
Zealous and Formidable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/formidable/zealous
Formidable & Zealous. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/formidable/zealous>.
Zealous or Formidable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/formidable/zealous.
Google Ngram Viewer shows how "formidable" and "zealous" have occurred on timeline