Decreasing
Decreasing adjective - Becoming less or smaller.
Lessen is a synonym for decreasing in grow less or make less topic. In some cases you can use "Lessen" instead a verb "Decreasing".
Lessen
Lessen verb - To make smaller in amount, volume, or extent.
Decreasing is a synonym for lessen. Sometimes you can replace term "Decreasing" with "Lessen", this verbs are similar.
Mutual synonyms
Cite this Source
Lessen and Decreasing. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/decreasing/lessen
Decreasing & Lessen. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/decreasing/lessen>.
Lessen or Decreasing. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/decreasing/lessen.
Google Ngram Viewer shows how "decreasing" and "lessen" have occurred on timeline