Ailing
Ailing adjective - Chronically or repeatedly suffering from poor health.
Deficiency and ailing are semantically related. In some cases you can use "Deficiency" instead a noun "Ailing".
Deficiency
Deficiency noun - A falling short of an essential or desirable amount or number.
Ailing and deficiency are semantically related. Sometimes you can use "Ailing" instead a noun "Deficiency".
Cite this Source
Deficiency and Ailing. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/ailing/deficiency
Ailing & Deficiency. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/ailing/deficiency>.
Deficiency or Ailing. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/ailing/deficiency.
Google Ngram Viewer shows how "ailing" and "deficiency" have occurred on timeline