Deteriorating and Improving

Deteriorating

Improving

Improving adjective - Getting higher or more vigorous.

Deteriorating is an antonym for improving.

Cite this Source
Improving and Deteriorating. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/deteriorating/improving
Deteriorating & Improving. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/deteriorating/improving>.
Improving or Deteriorating. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/deteriorating/improving.
Google Ngram Viewer shows how "deteriorating" and "improving" have occurred on timeline