fore·​warn | \ fȯr-ˈwȯrn How to pronounce forewarn (audio) \
forewarned; forewarning; forewarns

Definition of forewarn

transitive verb

: to warn in advance

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Synonyms for forewarn


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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 By headlining public conversation with it, up-to-date fans will be able to talk freely — and those who are delayed will have been forewarned. Judith Martin, Washington Post, "Miss Manners: Ground rules for spoilers?," 9 Aug. 2019 All hotel guests had been forewarned there would be a drill, and certain areas were blocked off with yellow police tape. San Diego Union-Tribune, "Training for terror: San Diego police stage active-shooter drill at downtown high-rise," 17 Aug. 2019 Guests can find the horseshoes hanging right side up throughout the loading station, however, just before passengers begin their last ascent into a cavern filled with dynamite, they are forewarned of the danger ahead with an upside-down horseshoe. Advertorial, Orange County Register, "History & Heritage: Tipping Our Hat to the Wildest Ride in the Wilderness," 15 Sep. 2019 Rebels on Johnson's side had been forewarned that voting in favor of the emergency no-deal legislation on Tuesday would result in their being thrown out of the parliamentary party and barred from standing as a Conservative at any future election. Eliza Mackintosh, CNN, "Boris Johnson has just taken a huge gamble over Brexit," 3 Sep. 2019 Be forewarned: The Conjuring earned an R rating not for any of the usual reasons (nudity, profanity), but simply for being that scary. Megan Mccluskey, Time, "The 10 Best Horror Movies on Netflix to Stream Right Now," 30 July 2019 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 Easy, right? Be forewarned, though: Tea tree oil has a strong medicinal smell that may or may not make your significant other whine loudly. Chloe Metzger, Marie Claire, "Tea Tree Oil Is the Best Acne Spot Treatment for Sensitive Skin," 24 Sep. 2018 To be forewarned is to be forearmed, and knowing the locations of enemy forces will help ground commanders make critical decisions about their own forces. Kyle Mizokami, Popular Mechanics, "The Army Wants a New Armed Scout Helicopter," 6 Sep. 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

2 Nov 2019

Time Traveler for forewarn

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

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More Definitions for forewarn


How to pronounce forewarn (audio)

English Language Learners Definition of forewarn

: to warn (someone) before something happens


fore·​warn | \ fȯr-ˈwȯrn How to pronounce forewarn (audio) \
forewarned; forewarning

Kids Definition of forewarn

: to warn in advance

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More from Merriam-Webster on forewarn

Thesaurus: All synonyms and antonyms for forewarn

Rhyming Dictionary: Words that rhyme with forewarn

Spanish Central: Translation of forewarn

Nglish: Translation of forewarn for Spanish Speakers

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).


to spread as a report or rumor

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