Lessen and Tack on

Lessen

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

Tack on is an antonym for lessen.

Nearby Words: lessening, less

Tack on

Tack on verb - To join (something) to a mass, quantity, or number so as to bring about an overall increase.
Usage example: the ticket agency tacked on a hefty surcharge to what was already a hefty price for the theater tickets

Lessen is an antonym for tack on in topics: combine, extend, adjoin, increase, add or grow.
Cite this Source
Tack on and Lessen. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/lessen/tack_on
Lessen & Tack on. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/lessen/tack_on>.
Tack on or Lessen. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/lessen/tack_on.
Google Ngram Viewer shows how "lessen" and "tack on" have occurred on timeline