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prevention

noun

pre·​ven·​tion pri-ˈven(t)-shən How to pronounce prevention (audio)
Synonyms of preventionnext
: 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.
Cancer Garlic contains several beneficial compounds, some of which may have cancer-prevention properties. Sherri Gordon, Health, 4 Dec. 2025 Crime in Stockton has fallen this year In the city of Stockton, crime prevention efforts had led to a modest drop in overall crime for the first nine months of 2025 when compared to the year before, data from the Stockton Police Department shows. Sacbee.com, 4 Dec. 2025 As frigid weather sets in, the number of emergency cold weather beds for unhoused individuals in Kansas City has more than doubled this year, rising by nearly 500 beds, according to the city’s houseless prevention coordinator. Kansas City Star, 3 Dec. 2025 The benefits themselves are not in danger—those cannot be legally withheld, but the administrative funds pay for staffing, processing, and fraud prevention at the state level. Marissa Perlman, CBS News, 3 Dec. 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 8 Dec. 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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