prevent
Americanverb (used with object)
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to keep from occurring; avert; hinder.
He intervened to prevent bloodshed.
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to hinder or stop from doing something.
There is nothing to prevent us from going.
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Archaic. to act ahead of; forestall.
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Archaic. to precede.
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Archaic. to anticipate.
verb (used without object)
verb
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(tr) to keep from happening, esp by taking precautionary action
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to keep (someone from doing something); hinder; impede
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(intr) to interpose or act as a hindrance
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archaic (tr) to anticipate or precede
Related Words
Prevent, hamper, hinder, impede refer to different degrees of stoppage of action or progress. To prevent is to stop something effectually by forestalling action and rendering it impossible: to prevent the sending of a message. To hamper is to clog or entangle or put an embarrassing restraint upon: to hamper preparations for a trip. To hinder is to keep back by delaying or stopping progress or action: to hinder the progress of an expedition. To impede is to make difficult the movement or progress of anything by interfering with its proper functioning: to impede a discussion by demanding repeated explanations.
Other Word Forms
- nonpreventable adjective
- nonpreventible adjective
- preventability noun
- preventabilty noun
- preventable adjective
- preventably adverb
- preventible adjective
- preventingly adverb
- quasi-prevented adjective
- unpreventable adjective
- unprevented adjective
- unpreventible adjective
Etymology
Origin of prevent
First recorded in 1375–1425; late Middle English, from Latin praeventus “anticipated,” past participle of praevenīre “to anticipate,” equivalent to prae- pre- ( def. ) + venīre “to come”
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.
The mere existence of a credible nuclear force prevents adversaries from contemplating attacks they would otherwise consider.
The Hamas-run Interior Ministry said it was working to prevent the presence of armed men inside hospitals and had deployed police to monitor the facilities and take legal action.
"The study confirms that we can follow a Nordic diet to improve both our health and the climate -- at least when it comes to preventing premature death," says Christina Dahm.
From Science Daily
"Purely from a security aspect, it's a bit ridiculous that I have to put a door stopper under my door to prevent somebody from kicking the door open," he said.
From BBC
A-net is more rigid, often permanent, and used to prevent racers from flying off the course and into dangerous areas, off cliffs, into rocks and the like.
From Los Angeles Times
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.
