Decay
Decay verb - To become worse or of less value.
Usage example: the restaurant's standards for food and service had decayed over the years
Wane is a synonym for decay in activity topic. In some cases you can use "Wane" instead the word "Decay" as a verb or a noun, when it comes to topics like decline, fail, waste, deteriorate.
Mutual synonyms
Both words in one sentence
- His fortunes tend to wax and wane, though, see Villain Decay below.
Source: Literature / The Saxon Stories
Cite this Source
Wane and Decay. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/decay/wane
Decay & Wane. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/decay/wane>.
Wane or Decay. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/decay/wane.
Google Ngram Viewer shows how "decay" and "wane" have occurred on timeline