prevention
Americannoun
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the act of preventing; effectual hindrance.
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a preventive.
This serum is a prevention against disease.
noun
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the act of preventing
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a hindrance, obstacle, or impediment
Other Word Forms
- nonprevention noun
Etymology
Origin of prevention
1520–30; < Late Latin praeventiōn- (stem of praeventiō ) a forestalling. See prevent, -ion
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Autism researchers and advocates are working toward developing better screening tools, safety plans, therapies and prevention strategies.
From Los Angeles Times • Apr. 1, 2026
Spacey and Clinton were travelling on a humanitarian trip to promote Aids prevention.
From BBC • Mar. 25, 2026
Investors have largely been focused on Gilead’s HIV drug portfolio, which includes its blockbuster treatment Biktarvy and prevention drugs that have an outsize contribution to the company’s top line.
From Barron's • Mar. 24, 2026
Among Novartis’s upcoming phase 3 trials, Bank of America is most focused on remibrutinib in relapse-remitting multiple sclerosis and pelacarsen in secondary prevention of cardiovascular events, the analysts say.
From The Wall Street Journal • Mar. 23, 2026
On January 4, I’ll be running in the Disney World Marathon in support of the Diabetes Action Team—a nonprofit organization committed to the prevention and treatment of diabetes.
From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
