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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.
While hospitals continue investing in advanced diagnostic tools and antimicrobial materials, infection-prevention experts say the fundamentals still matter most. Karina Nicholas, Boston Herald, 28 Nov. 2025 Whitson also notes that brain changes like amyloid and tau buildup can begin years before symptoms appear, underscoring the importance of early prevention. David L. Coddon, San Diego Union-Tribune, 27 Nov. 2025 Other prevention tips are more rudimentary, such as keeping cars parked behind residence gates or using a club device to lock the steering wheel. Nate Gartrell, Mercury News, 27 Nov. 2025 Together, these vitamins contribute to overall wellness and disease prevention. Sarah Hudgens, Health, 27 Nov. 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 29 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

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