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.
Since being established in 2008, the Kering Foundation supports local organizations that provide comprehensive services to victims of violence and prevention initiatives. Leia Mendoza, Variety, 4 Sep. 2025 This statement comes after about 100 employees, including researchers, were fired from the US Centers for Disease Control and Prevention’s violence prevention division in August due to downsizing by HHS — less than two weeks after a shooting attacking the CDC’s headquarters in Atlanta. Kristen Rogers, CNN Money, 4 Sep. 2025 Austin said the newest addition to the roster is called Strength in Communities, a program focused on youth mental health and suicide prevention. Cameron Knight, Cincinnati Enquirer, 4 Sep. 2025 Conversations about gun violence in Chicago can no longer focus solely on homicide and must be expanded to also integrate urgent matters of suicide prevention. Chicago Tribune, 3 Sep. 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

Browse Nearby Words

Cite this Entry

“Prevention.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prevention. Accessed 10 Sep. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!