Inefficacious
Inefficacious adjective - Not producing the desired result.
Unreal and inefficacious are semantically related. In some cases you can use "Unreal" instead an adjective "Inefficacious".
Unreal
Unreal adjective - Conceived or made without regard for reason or reality.
Inefficacious and unreal are semantically related. Sometimes you can use "Inefficacious" instead an adjective "Unreal".
Nearby Words: unrealistic, unreality
Mutual synonyms
Cite this Source
Unreal and Inefficacious. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/inefficacious/unreal
Inefficacious & Unreal. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/inefficacious/unreal>.
Unreal or Inefficacious. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/inefficacious/unreal.
Google Ngram Viewer shows how "inefficacious" and "unreal" have occurred on timeline