Failed
Inefficacious and failed are semantically related. In some cases you can use "Inefficacious" instead an adjective "Failed".
Inefficacious
Inefficacious adjective - Not producing the desired result.
Failed and inefficacious are semantically related. Sometimes you can use "Failed" instead an adjective "Inefficacious".
Mutual synonyms
Related pairs
- worthless and failed
- worthless and inefficacious
- barren and failed
- barren and inefficacious
- idle and failed
- idle and inefficacious
- ineffective and failed
- ineffective and inefficacious
- vain and failed
- vain and inefficacious
- useless and failed
- useless and inefficacious
- futile and failed
- futile and inefficacious
Cite this Source
Inefficacious and Failed. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/failed/inefficacious
Failed & Inefficacious. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/failed/inefficacious>.
Inefficacious or Failed. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/failed/inefficacious.
Google Ngram Viewer shows how "failed" and "inefficacious" have occurred on timeline