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
Weaken is a synonym for lessen in lower topic. In some cases you can use "Weaken" instead a verb "Lessen", when it comes to topics like diminish, reduce, allay, decrease. popular alternative
Mutual synonyms
Common collocations
Both words in one sentence
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You can lessen the effects of a flashbang by looking away at the right moment and the Enforcer has a skill to weaken flashbang effects as well.
Source: Video Game / PAYDAY 2
Cite this Source
Weaken and Lessen. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/lessen/weaken
Lessen & Weaken. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/lessen/weaken>.
Weaken or Lessen. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/lessen/weaken.
Google Ngram Viewer shows how "lessen" and "weaken" have occurred on timeline