Deteriorate
Slip
Slip verb - To decline gradually from a standard level.
Deteriorate is a synonym for slip in decline topic. You can use "Deteriorate" instead a verb "Slip", if it concerns topics such as decrease.
Mutual synonyms
Cite this Source
Slip and Deteriorate. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/deteriorate/slip
Deteriorate & Slip. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/deteriorate/slip>.
Slip or Deteriorate. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/deteriorate/slip.
Google Ngram Viewer shows how "deteriorate" and "slip" have occurred on timeline