Efficacious
Efficacious adjective - Producing or capable of producing a desired result.
Sovereign and efficacious are semantically related In some cases you can use "Sovereign" instead an adjective "Efficacious".
Sovereign
Sovereign adjective - Coming before all others in importance.
Efficacious and sovereign are semantically related in effective topic. Sometimes you can use "Efficacious" instead an adjective "Sovereign", if it concerns topics such as excellent, dominant.
Nearby Word: sovereignty
Mutual synonyms
Cite this Source
Sovereign and Efficacious. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/efficacious/sovereign
Efficacious & Sovereign. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/efficacious/sovereign>.
Sovereign or Efficacious. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/efficacious/sovereign.
Google Ngram Viewer shows how "efficacious" and "sovereign" have occurred on timeline