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.
One of them is the creation of a centralized Office of the Inspector General to lead fraud prevention efforts. Steve Karnowski The Associated Press, Arkansas Online, 27 Feb. 2026 Assembly Bill 715 and Senate Bill 48 were signed into law last year, establishing an antisemitism prevention coordinator and a state Office for Civil Rights to combat antisemitism and other forms of discrimination in K-12 schools. Christopher Buchanan, Los Angeles Times, 27 Feb. 2026 His life’s work reflects what prevention looks like in practice, not in theory. Chicago Tribune, 27 Feb. 2026 The South Korean government also reserves the right to request revisions to maps, and Google must set up a security incident prevention framework to respond to emergency issues. Reuters, NBC news, 27 Feb. 2026 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 1 Mar. 2026.

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

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