Proficient
Proficient adjective - Having or showing exceptional knowledge, experience, or skill in a field of endeavor.
Redoubtable and proficient are semantically related. In some cases you can use "Redoubtable" instead an adjective "Proficient".
Nearby Words: proficiency, proficiently
Redoubtable
Redoubtable adjective - Causing fear.
Proficient and redoubtable are semantically related. Sometimes you can use "Proficient" instead an adjective "Redoubtable".
Nearby Word: redoubt
Mutual synonyms
Cite this Source
Redoubtable and Proficient. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/proficient/redoubtable
Proficient & Redoubtable. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/proficient/redoubtable>.
Redoubtable or Proficient. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/proficient/redoubtable.
Google Ngram Viewer shows how "proficient" and "redoubtable" have occurred on timeline