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.
According to the mayor’s office, the city has deployed a mix of outreach teams, violence-prevention specialists and street medicine providers in the area as part of a broader effort to stabilize the MacArthur Park corridor. Teresa Liu, Daily News, 6 Mar. 2026 The initiative also includes measures in the upcoming 2027 county operating budget, like doubling funding for eviction prevention from $150,000 to $300,000. Jt Moodee Lockman, CBS News, 6 Mar. 2026 The department also has additional layers of fraud prevention in place. William Melhado, Sacbee.com, 6 Mar. 2026 In effect, the system nudges seniors toward dependency rather than prevention. Saul Anuzis, Boston Herald, 6 Mar. 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 9 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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