prevention

noun

pre·​ven·​tion pri-ˈven(t)-shən How to pronounce prevention (audio)
: the act of preventing or hindering

Examples of prevention in a Sentence

Exercise and diet play a role in the prevention of heart disease. good crowd control is crucial to the prevention of riots
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
May Reduce the Risk of Some Cancers There are few studies specific to pescatarian diets and cancer prevention. Jennifer Lefton, Verywell Health, 23 Oct. 2025 Overall, the tax is estimated to be able to raise $100 million every year which would be used to fund violence prevention and youth employment programs. Giulia Carbonaro, MSNBC Newsweek, 22 Oct. 2025 California remains vulnerable to devastating fires, but recent developments there help one imagine the path toward a more comprehensive and communal fire-prevention strategy. Ingfei Chen, New Yorker, 22 Oct. 2025 Previous award winners from the LGBTQ+ suicide prevention non-profit include Dua Lipa, Lil Nas X and Janelle Monáe. Michael Saponara, Billboard, 22 Oct. 2025 See All Example Sentences for prevention

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of prevention was in the 15th century

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Cite this Entry

“Prevention.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prevention. Accessed 30 Oct. 2025.

Kids Definition

prevention

noun
pre·​ven·​tion pri-ˈven-chən How to pronounce prevention (audio)
: the act or practice of preventing something
the prevention of fires

More from Merriam-Webster on prevention

Last Updated: - Updated example sentences
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