Decreasing
Decreasing adjective - Becoming less or smaller.
Waning and decreasing are semantically related. In some cases you can use "Waning" instead an adjective "Decreasing".
Waning
Waning adjective - (of the Moon) pertaining to the period during which the visible surface of the moon decreases.
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Synonyms for Waning
Decreasing and waning are semantically related. You can use "Decreasing" instead an adjective "Waning".
Mutual synonyms
Cite this Source
Waning and Decreasing. (2016). Retrieved 2026, August 18, from https://thesaurus.plus/related/decreasing/waning
Decreasing & Waning. N.p., 2016. Web. 18 Aug. 2026. <https://thesaurus.plus/related/decreasing/waning>.
Waning or Decreasing. 2016. Accessed August 18, 2026. https://thesaurus.plus/related/decreasing/waning.
Google Ngram Viewer shows how "decreasing" and "waning" have occurred on timeline