Faulty and Inefficacious

Faulty

Faulty adjective - Having a fault.

Inefficacious and faulty are semantically related. In some cases you can use "Inefficacious" instead an adjective "Faulty".

Inefficacious

Inefficacious adjective - Not producing the desired result.

Faulty and inefficacious are semantically related. Sometimes you can use "Faulty" instead an adjective "Inefficacious".
Cite this Source
Inefficacious and Faulty. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/faulty/inefficacious
Faulty & Inefficacious. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/faulty/inefficacious>.
Inefficacious or Faulty. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/faulty/inefficacious.
Google Ngram Viewer shows how "faulty" and "inefficacious" have occurred on timeline