Defective
Defective adjective - Having a fault.
Inefficacious and defective are semantically related. In some cases you can use "Inefficacious" instead an adjective "Defective".
Inefficacious
Inefficacious adjective - Not producing the desired result.
Defective and inefficacious are semantically related. Sometimes you can use "Defective" instead an adjective "Inefficacious".
Mutual synonyms
Related pairs
- inferior and defective
- inferior and inefficacious
- unfit and defective
- unfit and inefficacious
- incompetent and defective
- incompetent and inefficacious
- inadequate and defective
- inadequate and inefficacious
- weak and defective
- weak and inefficacious
- worthless and defective
- worthless and inefficacious
- inoperative and defective
- inoperative and inefficacious
Cite this Source
Inefficacious and Defective. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/defective/inefficacious
Defective & Inefficacious. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/defective/inefficacious>.
Inefficacious or Defective. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/defective/inefficacious.
Google Ngram Viewer shows how "defective" and "inefficacious" have occurred on timeline