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 According to the prevention plan, the majority of gun violence in Lake County is concentrated in Waukegan, North Chicago and Zion. Chloe Hilles, Chicago Tribune, 16 May 2024 The class will provide scam prevention tips and will discuss common scams. Linda McIntosh, San Diego Union-Tribune, 16 May 2024 See all Example Sentences for prevention 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'prevention.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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

Dictionary Entries Near prevention

Cite this Entry

“Prevention.” Dictionary, Merriam-Webster, Accessed 26 May. 2024.

Kids Definition


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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