1 prevent | Definition of prevent

prevent

verb
pre·​vent | \ pri-ˈvent How to pronounce prevent (audio) \
prevented; preventing; prevents

Definition of prevent

transitive verb

1 : to keep from happening or existing steps to prevent war
2 : to hold or keep back : hinder, stop often used with from
3 : to deprive of power or hope of acting or succeeding

4 archaic

a : to be in readiness for (something, such as an occasion)
b : to meet or satisfy in advance
c : to act ahead of
d : to go or arrive before

intransitive verb

: to interpose an obstacle

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Other Words from prevent

preventability \ pri-​ËŒven-​tÉ™-​ˈbi-​lÉ™-​tÄ“ How to pronounce preventability (audio) \ noun
preventable or less commonly preventible \ pri-​ˈven-​tÉ™-​bÉ™l How to pronounce preventible (audio) \ adjective
preventer noun

Choose the Right Synonym for prevent

prevent, anticipate, forestall mean to deal with beforehand. prevent implies taking advance measures against something possible or probable. measures taken to prevent leaks anticipate may imply merely getting ahead of another by being a precursor or forerunner or it may imply checking another's intention by acting first. anticipated the question by making a statement forestall implies a getting ahead so as to stop or interrupt something in its course. hoped to forestall the sale

Examples of prevent in a Sentence

Seatbelts in cars often prevent serious injuries. Can exercise and a healthy diet prevent heart disease? The accident could have been prevented. He grabbed my arm to prevent me from falling. Bad weather prevented us from leaving. How are you going to prevent him from finding out about the party?
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Recent Examples on the Web

The tool, initially used to prevent movement, is simply an administrative title that forces decisions right around the time a player should be entering their best years. Conor Orr, SI.com, "In Jadeveon Clowney, Seahawks Steal a Talent From Needy Texans," 31 Aug. 2019 Understanding the ways that more ancient civilizations changed the planet also allows researchers to search for any solutions that were also created to prevent water scarcity or the negative impact of clearing forests. Ashley Strickland, CNN, "Humans have been impacting Earth for thousands of years, study says," 29 Aug. 2019 Young girls’ feet were altered by being broken and bound in scarves to prevent them from growing. Vivian Rachelle, Quartz, "Japan’s #KuToo movement is fighting back against regressive dress codes for women," 29 Aug. 2019 The Governor General, the Queen's representative in Canada, ultimately agreed to the prime minister's request to suspend Parliament, a move that was intended to prevent his government from falling, which would have triggered an election. Katherine Dunn, Fortune, "How Boris Johnson Just Put the Queen in an Unprecedented Brexit Bind," 28 Aug. 2019 Every year, only about half of American adults get the vaccine that prevents it. Wired, "Why Denying Migrants Flu Shots Is a Dangerous, Foolish Move," 28 Aug. 2019 Defaulting on student loans can have serious consequences that hurt your credit and prevent you from receiving financial aid in the future. David J. Nguyen, The Conversation, "5 things to consider before taking out a student loan," 28 Aug. 2019 Lawyers for the company said the trust’s value would include more than $4 billion in drugs that would be provided to areas across the country, some of which are used to prevent people overdosing from dying, NBC News said. Eric Heisig, cleveland.com, "Purdue Pharma discussing settling opioid lawsuits for up to $12 billion, reports say," 27 Aug. 2019 Fortunately, that's now true for a majority of the committees in France, which seems to be enough to prevent an overall bias from creeping into this selection process. John Timmer, Ars Technica, "Scientists avoid gender bias when they know they’re being tested for bias," 27 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'prevent.' 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 prevent

15th century, in the meaning defined at sense 4c

History and Etymology for prevent

Middle English, to anticipate, from Latin praeventus, past participle of praevenire to come before, anticipate, forestall, from prae- + venire to come — more at come

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More Definitions for prevent

prevent

verb

English Language Learners Definition of prevent

: to stop (something) from happening or existing
: to make (someone or something) not do something : to stop (someone or something) from doing something

prevent

verb
pre·​vent | \ pri-ˈvent How to pronounce prevent (audio) \
prevented; preventing

Kids Definition of prevent

1 : to keep from happening Helmets help to prevent injuries.
2 : to hold or keep back Bad weather prevented us from leaving.

Other Words from prevent

preventable \ pri-​ˈven-​tÉ™-​bÉ™l \ adjective

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More from Merriam-Webster on prevent

Rhyming Dictionary: Words that rhyme with prevent

Thesaurus: All synonyms and antonyms