Failing health
Fit and failing health are semantically related. in disease topic. In some cases you can use "Fit" instead a noun phrase "Failing health".
Fit
Fit noun - A sudden experiencing of a physical or mental disorder.
Cite this Source
Fit and Failing health. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/failing_health/fit
Failing health & Fit. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/failing_health/fit>.
Fit or Failing health. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/failing_health/fit.
Google Ngram Viewer shows how "failing health" and "fit" have occurred on timeline