Efficacious and Impressive

Efficacious

Efficacious adjective - Producing or capable of producing an intended result or having a striking effect.
Usage example: an efficacious law

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

Impressive

Impressive adjective - Producing a strong effect.
Usage example: gave an impressive performance as Othello

Efficacious and impressive are semantically related. Sometimes you can use "Efficacious" instead an adjective "Impressive".

Cite this Source
Impressive and Efficacious. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/efficacious/impressive
Efficacious & Impressive. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/efficacious/impressive>.
Impressive or Efficacious. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/efficacious/impressive.
Google Ngram Viewer shows how "efficacious" and "impressive" have occurred on timeline