fore·​warn | \fȯr-ˈwȯrn \
forewarned; forewarning; forewarns

Definition of forewarn 

transitive verb

: to warn in advance

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Synonyms for forewarn


advise, alert, caution, wake, warn

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Examples of forewarn in a Sentence

I should forewarn you before you come to visit that we have a dog.

Recent Examples on the Web

Here’s our top picks, and be forewarned a lot of these sale prices involve mail-in rebates. Ian Paul, PCWorld, "The 5 best deals in Newegg's Early Black Friday Sale," 2 Nov. 2018 Just be forewarned: Weekend brunch waits can be lengthy due to the city's increase in tourism—Nashville saw 14.5 million visitors in 2017, a record number—so reservations are advised. Kristin Luna, Condé Nast Traveler, "11 Best Places for Brunch in Nashville," 27 Feb. 2018 Be forewarned: the crowd on my night could be ruthless about wrong answers. Max Maller, Chicago Reader, "Picture it: Miami, 1987, and The Golden Girls in drag," 26 June 2018 Be forewarned: These rates will change if there's a special event happening nearby. 2. Amy Bartner, Indianapolis Star, "9 (formerly) secret parking spots Downtown," 24 May 2018 Be forewarned, however: The chapels need considerable work and, like a Venice palazzo, will require eternal care. New York Times, "A Chance to Spend 99-Plus Years in Venice (in the Afterlife)," 21 May 2018 No matter how forewarned a team might be, there is no such thing as forearmed. Rory Smith, New York Times, "Mohamad Salah Stands Tall, but Liverpool Cracks Door for Roma," 24 Apr. 2018 Be forewarned that because the Pedway isn’t run by any one official entity, the hours of each building’s portion can vary. Ben Meyerson, RedEye Chicago, "Be a tourist in Chicago with our Pedway guide: What to eat, drink and do without going above ground," 22 Feb. 2018 Be forewarned, however – if visiting during the wintertime, heavy snowfall can close roads, so be sure and check the park’s website for up-to-date travel information. Susan B. Barnes, USA TODAY, "Lassen Volcanic National Park: 10 tips for your visit," 29 Apr. 2018

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

14th century, in the meaning defined above

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Statistics for forewarn

Last Updated

16 Nov 2018

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The first known use of forewarn was in the 14th century

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More Definitions for forewarn



English Language Learners Definition of forewarn

: to warn (someone) before something happens


fore·​warn | \fȯr-ˈwȯrn \
forewarned; forewarning

Kids Definition of forewarn

: to warn in advance

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Comments on forewarn

What made you want to look up forewarn? Please tell us where you read or heard it (including the quote, if possible).


by force of circumstances

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