Stiffening
Stiffening noun - The act of becoming stiff.
Supplementing and stiffening are semantically related. In some cases you can use "Supplementing" instead a noun "Stiffening".
Supplementing
Stiffening and supplementing are semantically related. Sometimes you can use "Stiffening" instead a noun "Supplementing".
Mutual synonyms
Cite this Source
Supplementing and Stiffening. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/stiffening/supplementing
Stiffening & Supplementing. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/stiffening/supplementing>.
Supplementing or Stiffening. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/stiffening/supplementing.
Google Ngram Viewer shows how "stiffening" and "supplementing" have occurred on timeline