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prevention

American  
[pri-ven-shuhn] / prɪˈvɛn ʃən /

noun

  1. the act of preventing; effectual hindrance.

  2. a preventive.

    This serum is a prevention against disease.


prevention British  
/ prɪˈvɛnʃən /

noun

  1. the act of preventing

  2. a hindrance, obstacle, or impediment

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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

“We’re in the levee-building business, not the hurricane prevention business,” he said.

From Barron's • Mar. 30, 2026

Senior coroner for south Manchester Alison Mutch issued a prevention of future deaths report to the Secretary of State for Health calling for regulation.

From BBC • Mar. 23, 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

In the modern West, we’re confident that prevention is better than cure; that hard work deserves reward; that no means no; that you are innocent until proven guilty, and that all men are created equal.

From "Words Like Loaded Pistols" by Sam Leith