Deficiency
Deficiency noun - A falling short of an essential or desirable amount or number.
Poor quality and deficiency are semantically related. In some cases you can use "Poor quality" instead a noun "Deficiency".
Poor quality
Deficiency and poor quality are semantically related. Sometimes you can use "Deficiency" instead a noun phrase "Poor quality".
Mutual synonyms
Cite this Source
Poor quality and Deficiency. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/deficiency/poor_quality
Deficiency & Poor quality. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/deficiency/poor_quality>.
Poor quality or Deficiency. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/deficiency/poor_quality.
Google Ngram Viewer shows how "deficiency" and "poor quality" have occurred on timeline