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

Therapy can be useful for prevention and self-care. SELF, "9 Awkward Questions You Probably Want to Ask Your New Therapist," 31 Oct. 2018 And there’s no telling what advancements Verily or Calico could bring to the healthcare industry, where disease prevention and life extension solutions could reap unprecedented benefits. Nick Statt, The Verge, "Alphabet’s experimental investments in the future continue to cost it a fortune," 23 July 2018 The panty thief had struck on April 7, then again on May 8, and twice more on May 11, Victoria's Secret loss prevention officers told the Harris County Sheriff's Office, according to court video obtained by KHOU. Matthew Martinez, star-telegram, "Panty thief caught with Ecstasy stole 612 pairs of Victoria's Secret undies, Texas cops say," 6 July 2018 Cancer Schmancer’s mission is to shift the nation's focus from just searching for a cure to prevention and early detection of cancer in order to save lives. Jim Varsallone, miamiherald, "Growing up poor, this cancer-surviving wrestler with a cool name helps to end hunger," 29 June 2018 Retail theft 12800 block of West Sunrise Boulevard in Sunrise, June 2, 4:20 p.m. A loss prevention officer observed a subject take $39.98 worth of clothing from a store., "Plantation, Sunrise area crime reports," 27 June 2018 Police found a loss prevention officer and Griffin sitting at the Burlington Coat Factory store with gunshot wounds. Kaitlyn Schwers, kansascity, "He was escorted out for peeing in a bottle at an Illinois mall when shots were fired, cops say," 14 June 2018 The first lays the blame on dwindling public dollars for STD prevention and monitoring programmes. The Economist, "Why STDs are soaring in America," 13 June 2018 Richard Lee Mason, 41, was stopped at 2:44 p.m. on May 22 by a Menards loss prevention officer, who accused him of stealing a walkie-talkie and batteries. Michael D. Pitman, ajc, "Police: Man faked heart attack after being caught for theft," 4 June 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

15 Nov 2018

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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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a private place of worship

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