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


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

Howard County police said they had been forewarned that ICE might be deploying in the area. Oyin Adedoyin,, "Hundreds rally outside Baltimore's ICE office in defense of immigrants," 28 June 2019 Still there is something to this ancient admonition: If people didn’t look so adorable in their shearling duds, would Matthew have felt the need to forewarn us, thousands of years ago? Madeline Fass, Vogue, "The Shearling Coat Is the Epitome of Carnal Cool—7 Timeless Reasons Why," 1 Nov. 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 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 But be forewarned, this method will turn your toothbrush yellow. Lauren Valenti, Marie Claire, "Rubbing These Two Things on Your Teeth Will Make Them Whiter in Minutes," 19 Apr. 2016 Read on to learn about the most disgusting, outrageous things people have found in their food, but be forewarned: There's nothing happy about these meals. Mandy Major, Woman's Day, "10 Strange Objects Found in Food," 3 Nov. 2010 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

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

13 Jul 2019

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Time Traveler for forewarn

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 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

Rhyming Dictionary: Words that rhyme with forewarn

Thesaurus: All synonyms and antonyms for 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).


appealing forcibly to the mind or reason

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