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.
Atrocity crimes prevention cannot be left to chance. Dr. Ewelina U. Ochab, Forbes.com, 14 July 2025 One, the Padres’ No. 1 strength — run prevention — owes in part to catchers Elías Díaz and Martin Maldonado. Tom Krasovic, San Diego Union-Tribune, 14 July 2025 The cost is similar to the price of other prevention medicine options, according to Gilead. Jacqueline Howard, CNN Money, 14 July 2025 Recognizing this risk is the first essential step to prevention. Kurt Knutsson, FOXNews.com, 13 July 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 18 Jul. 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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