Lessen and Pump up

Opposite meaning terms

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

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Pump up is an antonym for lessen.

Nearby Words: lessening, less

Pump up verb - To make greater in size, amount, or number.

Usage example: that pop diva is trying to pump up album sales with an extended publicity tour

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Lessen is an antonym for pump up in blow up topic.

Cite this Source

Pump up and Lessen. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/lessen/pump_up

Lessen & Pump up. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/lessen/pump_up>.

Pump up or Lessen. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/lessen/pump_up.

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