Deficiency
Deficiency noun - A falling short of an essential or desirable amount or number.
Inefficacy and deficiency are semantically related. In some cases you can use "Inefficacy" instead a noun "Deficiency".
Inefficacy
Inefficacy noun - A lack of efficacy.
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Synonyms for Inefficacy
Deficiency and inefficacy are semantically related. Sometimes you can use "Deficiency" instead a noun "Inefficacy".
Mutual synonyms
Related pairs
- weakness and deficiency
- weakness and inefficacy
- lack and deficiency
- lack and inefficacy
- failure and deficiency
- failure and inefficacy
- inadequacy and deficiency
- inadequacy and inefficacy
- dearth and deficiency
- dearth and inefficacy
- failing and deficiency
- failing and inefficacy
- infirmity and deficiency
- infirmity and inefficacy
Cite this Source
Inefficacy and Deficiency. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/deficiency/inefficacy
Deficiency & Inefficacy. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/deficiency/inefficacy>.
Inefficacy or Deficiency. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/deficiency/inefficacy.
Google Ngram Viewer shows how "deficiency" and "inefficacy" have occurred on timeline