Formidable
Formidable adjective - Causing fear.
Proficient and formidable are semantically related. in capable topic. In some cases you can use "Proficient" instead an adjective "Formidable".
Nearby Word: formidably
Proficient
Proficient adjective - Having or showing exceptional knowledge, experience, or skill in a field of endeavor.
Formidable and proficient are semantically related. Sometimes you can use "Formidable" instead an adjective "Proficient".
Nearby Words: proficiency, proficiently
Cite this Source
Proficient and Formidable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/formidable/proficient
Formidable & Proficient. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/formidable/proficient>.
Proficient or Formidable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/formidable/proficient.
Google Ngram Viewer shows how "formidable" and "proficient" have occurred on timeline