Lessen
Lessen verb - To make smaller in amount, volume, or extent.
Slacken off and lessen are semantically related. In some cases you can use "Slacken off" instead a verb "Lessen".
Slacken off
Mutual synonyms
Cite this Source
Slacken off and Lessen. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/lessen/slacken_off
Lessen & Slacken off. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/lessen/slacken_off>.
Slacken off or Lessen. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/lessen/slacken_off.
Google Ngram Viewer shows how "lessen" and "slacken off" have occurred on timeline