Improve
Improve verb - To make better.
Relapse
Relapse verb - Deteriorate in health.
Cite this Source
Relapse and Improve. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/improve/relapse
Improve & Relapse. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/improve/relapse>.
Relapse or Improve. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/improve/relapse.
Google Ngram Viewer shows how "improve" and "relapse" have occurred on timeline