forestall
Americanverb (used with object)
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to prevent, hinder, or thwart by action in advance.
to forestall a riot by deploying police.
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to act beforehand with or get ahead of; anticipate.
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to buy up (goods) in advance in order to increase the price when resold.
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to prevent sales at (a fair, market, etc.) by buying up or diverting goods.
verb
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to delay, stop, or guard against beforehand
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to anticipate
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to prevent or hinder sales at (a market, etc) by buying up merchandise in advance, etc
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to buy up (merchandise) for profitable resale Compare corner
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Other Word Forms
- forestaller noun
- forestallment noun
- forestalment noun
- unforestalled adjective
Etymology
Origin of forestall
1350–1400; Middle English forstallen, verbal derivative of forstalle, Old English foresteall intervention (to defeat justice), waylaying. See fore-, stall 2
Explanation
It takes a bit of planning to forestall something, meaning stop it from happening. To forestall the effects of aging, exercise and take care of your health all your life. You can break the word forestall into parts to figure out its meaning. The prefix fore is one you've seen in words like forewarn, which means "to warn in advance." And you probably know that stall means "delay." So to forestall is to stall in advance, or put another way, to try to prevent or put off something you don't want to happen.
Vocabulary lists containing forestall
"The Story of an Hour" by Kate Chopin
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The Pearl
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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.
When they are deployed to forestall disruptions, the U.S. sacrifices some efficiency for economic protection.
From The Wall Street Journal • Apr. 15, 2026
"The threat of an H5N1 pandemic in humans is a genuine one, but we can hope to forestall it through better surveillance and a more nimble public-health response," Prof Menon told the BBC.
From BBC • Dec. 17, 2025
Our family had long used the “eldest daughter” inheritance trope to forestall bad feelings.
From MarketWatch • Nov. 21, 2025
Reduced fiscal deficits could help forestall downside scenarios.
From Barron's • Oct. 9, 2025
In order to forestall outbreaks of retaliatory violence, we arranged a week-long series of mass rallies and demonstrations throughout the country.
From "Long Walk to Freedom" by Nelson Mandela
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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.