Efficacious and Operational

Efficacious

Efficacious adjective - Producing or capable of producing a desired result.

Operational and efficacious are semantically related. In some cases you can use "Operational" instead an adjective "Efficacious".

Operational

Operational adjective - Being in effective operation.

Efficacious and operational are semantically related. Sometimes you can use "Efficacious" instead an adjective "Operational".

Cite this Source
Operational and Efficacious. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/efficacious/operational
Efficacious & Operational. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/efficacious/operational>.
Operational or Efficacious. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/efficacious/operational.
Google Ngram Viewer shows how "efficacious" and "operational" have occurred on timeline