Efficacious and Significant

Efficacious

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

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

Significant

Significant adjective - Clearly conveying a special meaning (as one's mood).

Efficacious and significant are semantically related. Sometimes you can use "Efficacious" instead an adjective "Significant".

Cite this Source
Significant and Efficacious. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/efficacious/significant
Efficacious & Significant. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/efficacious/significant>.
Significant or Efficacious. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/efficacious/significant.
Google Ngram Viewer shows how "efficacious" and "significant" have occurred on timeline