Accumulate
Accumulate verb - To become greater in extent, volume, amount, or number.
Usage example: the number of complaints about that mail order firm is really accumulating
Lessen is an antonym for accumulate in gather or amass something topic.
Lessen
Lessen verb - To grow less in scope or intensity especially gradually.
Usage example: the pain should begin to lessen within minutes of taking the medication
Accumulate is an antonym for lessen.
Common collocations
Cite this Source
Lessen and Accumulate. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/accumulate/lessen
Accumulate & Lessen. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/accumulate/lessen>.
Lessen or Accumulate. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/accumulate/lessen.
Google Ngram Viewer shows how "accumulate" and "lessen" have occurred on timeline