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.
Hadwick listed her priorities as suspending the state’s gas tax and increasing state spending on wildfire mitigation and fire education prevention programs. William Melhado, Sacbee.com, 30 Apr. 2026 Each episode will also feature a mentorship session and a lab segment offering participants practical tips in areas such as sports nutrition, mental preparation, and injury prevention. Arushi Jacob, Variety, 30 Apr. 2026 Mendiola said the agency is focused on prevention as much as enforcement. Karen Morfitt, CBS News, 30 Apr. 2026 And both understand that crime prevention is as important as enforcement. The Editorial Board, Daily News, 29 Apr. 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

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Cite this Entry

“Prevention.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prevention. Accessed 1 May. 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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