Deepen
Deepen verb - To make markedly greater in measure or degree.
Usage example: this book really deepens our knowledge of how the brain works
Supplement and deepen are semantically related. In some cases you can use "Supplement" instead a verb "Deepen".
Supplement
Supplement verb - Add as a supplement to what seems insufficient.
Deepen and supplement are semantically related. Sometimes you can use "Deepen" instead a verb "Supplement".
Mutual synonyms
Related pairs
Cite this Source
Supplement and Deepen. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/deepen/supplement
Deepen & Supplement. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/deepen/supplement>.
Supplement or Deepen. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/deepen/supplement.
Google Ngram Viewer shows how "deepen" and "supplement" have occurred on timeline