Synonyms of prevention
: 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.
The fire chiefs suggested limiting the size of ag-exempt buildings, conducting inspections of new and existing buildings and requiring fire prevention infrastructure. Daniel Lempres, Sacbee.com, 30 July 2026 When basic healthcare is unavailable, insecurity interrupts humanitarian assistance, or essential prevention infrastructure. Mary Kekatos, ABC News, 30 July 2026 The Military Health System and its extensive research enterprise have produced innovations that transformed civilian medicine, from trauma care to infectious disease prevention. David Shulkin, STAT, 29 July 2026 Those quiet victories rarely make headlines precisely because prevention works. Brian Castrucci, Forbes.com, 29 July 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 3 Aug. 2026.

Kids Definition

prevention

noun
: the act or practice of preventing something
the prevention of fires

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