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.
Bristol Myers has key products, such as blood-clot prevention drug Eliquis and lung-cancer therapy Opdivo, which will be coming off patent in the coming years. Zev Fima, CNBC, 30 Oct. 2025 These address family violence prevention and the health, education and welfare of women and children. Christina Mayo, Miami Herald, 29 Oct. 2025 Its authority to investigate stems from Senate Bill 553, which requires employers to maintain workplace violence prevention plans, and was amended to apply more generally to various industries, including law enforcement. Jake Goodrick, Sacbee.com, 29 Oct. 2025 Dementia's various modifiable risk factors have been catalogued by the Lancet Commission, which looked at all the available data on dementia and prevention globally and then synthesizes that into one report. Hannah Millington, MSNBC Newsweek, 29 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 4 Nov. 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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