Prolonging
Prolonging noun - The act of making longer.
Supplement and prolonging are semantically related. In some cases you can use "Supplement" instead a noun "Prolonging".
Supplement
Supplement noun - Something added (as by growth).
Prolonging and supplement are semantically related. Sometimes you can use "Prolonging" instead a noun "Supplement".
Mutual synonyms
Cite this Source
Supplement and Prolonging. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/prolonging/supplement
Prolonging & Supplement. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/prolonging/supplement>.
Supplement or Prolonging. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/prolonging/supplement.
Google Ngram Viewer shows how "prolonging" and "supplement" have occurred on timeline