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.
The governor's declaration allows the Texas New World Screwworm Response Team to use all state government prevention and response resources to prevent the spread of the parasite into Texas. Landon Mion, FOXNews.com, 30 Jan. 2026 The upshot is that doctors focus on prevention by reducing the risk of animal-to-human transmission and implementing infection control measures when working with infected people. Michal Ruprecht, CNN Money, 30 Jan. 2026 For prevention, athletes and trainers/coaches tend to adjust their game plans to reduce the distance covered, if possible. Eduardo Tansley, New York Times, 30 Jan. 2026 Advances in personal health technology, prevention strategies, and early detection and screening methodologies offer promising opportunities to intervene earlier and improve long-term outcomes. Sheryl Estrada, Fortune, 30 Jan. 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

Browse Nearby Words

Cite this Entry

“Prevention.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prevention. Accessed 5 Feb. 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

More from Merriam-Webster on prevention

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