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forestall

American  
[fohr-stawl, fawr-] / foʊrˈstɔl, fɔr- /

verb (used with object)

  1. to prevent, hinder, or thwart by action in advance.

    to forestall a riot by deploying police.

    Synonyms:
    obstruct, intercept, obviate, preclude
  2. to act beforehand with or get ahead of; anticipate.

    Synonyms:
    avert, prevent
  3. to buy up (goods) in advance in order to increase the price when resold.

  4. to prevent sales at (a fair, market, etc.) by buying up or diverting goods.


forestall British  
/ fɔːˈstɔːl /

verb

  1. to delay, stop, or guard against beforehand

  2. to anticipate

    1. to prevent or hinder sales at (a market, etc) by buying up merchandise in advance, etc

    2. to buy up (merchandise) for profitable resale Compare corner

"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

  • 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

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 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

A democratic restoration cannot restore Athens’s squandered power or forestall its eventual surrender.

From The Wall Street Journal • Nov. 21, 2025

Reduced fiscal deficits could help forestall downside scenarios.

From Barron's • Oct. 9, 2025

An appeal would forestall international pressure to release us.

From "Long Walk to Freedom" by Nelson Mandela