Decrease
Decrease verb - To grow less in scope or intensity especially gradually.
Usage example: the force of the wind slowly decreased until the flowers were standing upright again
Weaken is a synonym for decrease in reduce topic. In some cases you can use "Weaken" instead a verb "Decrease", when it comes to topics like grow less or make less.
Mutual synonyms
Common collocations
Both words in one sentence
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Some items and conditions can temporarily increase or decrease the strength of each character's jump, such as the "Jump Boots" or "Vitamin X" for increasing height, and being damaged to under 25% of your HP [or worse, less than 10% HP] will weaken your jump strength.
Cite this Source
Weaken and Decrease. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/decrease/weaken
Decrease & Weaken. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/decrease/weaken>.
Weaken or Decrease. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/decrease/weaken.
Google Ngram Viewer shows how "decrease" and "weaken" have occurred on timeline