Lessen and Open up

Opposite meaning terms

Lessen verb - To make smaller in amount, volume, or extent.

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Open up is an antonym for lessen.

Nearby Words: lessening, less

Open up verb - Cause to open or to become open.

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Lessen is an antonym for open up in extend topic.

Cite this Source

Open up and Lessen. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/lessen/open_up

Lessen & Open up. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/lessen/open_up>.

Open up or Lessen. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/lessen/open_up.

Google Ngram Viewer shows how "lessen" and "open up" have occurred on timeline