Barren and Efficacious

Barren

Barren adjective - Producing no results.
Usage example: that line of investigation proved barren, so the police tried other avenues

Efficacious is an antonym for barren.

Nearby Words: barrenness, barrenly

Efficacious

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

Barren is an antonym for efficacious.

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