Deepen
Deepen verb - To make markedly greater in measure or degree.
Usage example: this book really deepens our knowledge of how the brain works
Redouble is a synonym for deepen in enhance topic. In some cases you can use "Redouble" instead a verb "Deepen", when it comes to topics like increase, make more intense.
Redouble
Redouble verb - To make markedly greater in measure or degree.
Usage example: rescuers redoubled their efforts to reach the people buried in the rubble after unexpectedly hearing someone call for help
Deepen is a synonym for redouble in enhance topic. You can use "Deepen" instead a verb "Redouble", if it concerns topics such as increase.
Nearby Word: redoubling
Mutual synonyms
Cite this Source
Redouble and Deepen. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/deepen/redouble
Deepen & Redouble. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/deepen/redouble>.
Redouble or Deepen. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/deepen/redouble.
Google Ngram Viewer shows how "deepen" and "redouble" have occurred on timeline