Redouble
Redouble verb - To make markedly greater in measure or degree.
Tone up and redouble are semantically related In some cases you can use "Tone up" instead a verb "Redouble".
Nearby Word: redoubling
Tone up
Tone up verb - Give a healthy elasticity to.
Mutual synonyms
Related pairs
Cite this Source
Tone up and Redouble. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/redouble/tone_up
Redouble & Tone up. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/redouble/tone_up>.
Tone up or Redouble. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/redouble/tone_up.
Google Ngram Viewer shows how "redouble" and "tone up" have occurred on timeline