pre·​ven·​tion | \ pri-ˈven(t)-shən \

Definition of prevention

: the act of preventing or hindering

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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

But in the spirit of taking a 360-degree approach to prevention and healing in 2019, here Bhatia lays out an easy beginner's guide to naturally warding off the basic cold and flu this winter. 1. Lauren Valenti, Vogue, "6 All-Natural Strategies for Fighting the Cold and Flu This Winter," 8 Jan. 2019 The party is free, though organizers will collect donations for suicide-prevention nonprofit Hope for the Day. Leor Galil, Chicago Reader, "Chicago neck breakers Nequient hit the road behind their scorching debut full-length," 3 July 2018 Off the ice, especially closer to the Olympics, my training was focused on keeping myself balanced and doing a lot of exercises for injury prevention. Luke Darby, GQ, "The Real-Life Diet of Adam Rippon," 18 June 2018 Suicide has more than one option for prevention, and one of the easiest preventative measures is a simple conversation or phone call. Michael Roizen, M.d., And Mehmet Oz, Houston Chronicle, "How can you recognize and prevent suicide?," 17 June 2018 The walk takes place in different cities each year, raising awareness and funds for suicide prevention. Anya Van Wagtendonk,, "Marching 16 miles, through the night, for suicide prevention," 15 June 2018 Diets that include fruits, vegetables and whole grains are good for the heart and also helpful for cancer prevention. Katie Parsons,, "Ketogenic diet popular for weight loss," 13 June 2018 People might have less access to health care services or resources for prevention. Tegan Hanlon, Anchorage Daily News, "‘Kind of alarming’: Number of new gonorrhea cases in Alaska skyrockets in 2017," 29 May 2018 Portland voters overwhelmingly renewed a small property tax to pay for child abuse prevention and early childhood education. The Oregonian/oregonlive,, "Portland children's levy renewed in landslide vote," 15 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'prevention.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of prevention

15th century, in the meaning defined above

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Last Updated

11 Jan 2019

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The first known use of prevention was in the 15th century

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English Language Learners Definition of prevention

: the act or practice of stopping something bad from happening : the act of preventing something


pre·​ven·​tion | \ pri-ˈven-shən \

Kids Definition of prevention

: the act or practice of keeping something from happening the prevention of fires

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What made you want to look up prevention? Please tell us where you read or heard it (including the quote, if possible).


someone who never drinks alcohol

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