Lessen
Lessen verb - To make smaller in amount, volume, or extent.
Usage example: we lessened our efforts as it became clear they weren't having an effect
Reduce is a synonym for lessen in diminish topic. In some cases you can use "Reduce" instead a verb "Lessen", when it comes to topics like activity, trim, quantity, reduction. popular alternative
Reduce
Reduce verb - To make smaller in amount, volume, or extent.
Usage example: you'll have to reduce the amount of money you spend on unnecessary purchases if you want to have any money left for retirement
Lessen is a synonym for reduce in decrease topic. You can use "Lessen" instead a verb "Reduce", if it concerns topics such as trim, quantity, reduction, increase. popular alternative
Mutual synonyms
Common collocations
Cite this Source
Reduce and Lessen. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/lessen/reduce
Lessen & Reduce. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/lessen/reduce>.
Reduce or Lessen. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/lessen/reduce.
Google Ngram Viewer shows how "lessen" and "reduce" have occurred on timeline