Inefficacious
Inefficacious adjective - Not producing the desired result.
Poor and inefficacious are semantically related. In some cases you can use "Poor" instead an adjective "Inefficacious".
Poor
Poor adjective - Lacking money or material possessions.
Inefficacious and poor are semantically related. Sometimes you can use "Inefficacious" instead an adjective "Poor".
Mutual synonyms
Cite this Source
Poor and Inefficacious. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/inefficacious/poor
Inefficacious & Poor. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/inefficacious/poor>.
Poor or Inefficacious. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/inefficacious/poor.
Google Ngram Viewer shows how "inefficacious" and "poor" have occurred on timeline