\ ˈwȯrn How to pronounce warn (audio) \
warned; warning; warns

Definition of warn

transitive verb

1a : to give notice to beforehand especially of danger or evil
b : to give admonishing advice to : counsel
c : to call to one's attention : inform
2 : to order to go or stay away often used with off

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Other Words from warn

warner noun

Examples of warn in a Sentence

I had been warned about the difficulties of the job. She warned me that the stove was still hot. “This won't be easy,” he warned. Nobody warned me about the dangers. I warned him to be careful, but he didn't listen to me. She warned us not to go too close to the fire.
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Recent Examples on the Web British fashion officials are warning about the perils of a no-deal Brexit as London Fashion Week begins. Fortune, "British Fashion Officials Warn of Financial Woes From a No-Deal Brexit," 13 Sep. 2019 Now, researchers are warning that, in certain scenarios, attackers can abuse DDIO to obtain keystrokes and possibly other types of sensitive data that flow through the memory of vulnerable servers. Dan Goodin, Ars Technica, "Weakness in Intel chips lets researchers steal encrypted SSH keystrokes," 10 Sep. 2019 Due to the large fire at an Ohio metal scrapyard, smoky smells or plastic odors might be drifting through Washtenaw throughout Tuesday, the sheriff's office is warning. Emma Keith, Detroit Free Press, "Here's the weird scent you might smell in southern Michigan today," 10 Sep. 2019 Houston-area firefighters are warning the public against outdoor burning after several grass and wood fires ignited in a Cypress neighborhood Monday. Rebecca Hennes, Houston Chronicle, "Firefighters warn against outdoor burning after drought conditions, high temps lead to Cypress blaze," 10 Sep. 2019 The Food and Drug Administration is warning that there appears to be a particular danger for people who vape THC, the psychoactive chemical in marijuana. BostonGlobe.com, "What’s the best way to prevent the illness?," 10 Sep. 2019 Sheriff’s officials in Ramsey County are warning residents that a bear has been spotted roaming several cities, including the most recent sighting at 6:41 a.m. Monday morning near Greenhaven Drive and Centerville Road in Vadnais Heights. Kristi Belcamino, Twin Cities, "Authorities warn of bear spotted in Ramsey County," 9 Sep. 2019 Big waves forecast along Lake Michigan shoreline The weather service is warning of hazardous swimming conditions and high waves along the Lake Michigan shoreline from Door County south into Illinois on Monday into Tuesday. Joe Taschler, Milwaukee Journal Sentinel, "Weather likely to be unsettled in Wisconsin this week; strong storms possible Monday in southwest, central parts of state," 9 Sep. 2019 As fears of imminent recession have climbed in recent weeks, many are warning that the U.S. government does not have the budget capacity to mount an effective response to an economic downturn. Douglas Elmendorf, The Denver Post, "Guest Commentary: Fiscal stimulus can help fight the next recession," 3 Sep. 2019

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

before the 12th century, in the meaning defined at transitive sense 1a

History and Etymology for warn

Middle English warnen, going back to Old English wearnian, warnian "to be on one's guard, make aware, put on one's guard," going back to West Germanic *warnōjan- (whence Middle Dutch waernen "to provide with, give notice of a danger," Old High German warnōn), probably causative derivative of Germanic *wara- "cognizant, watchful" — more at ware entry 1

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Statistics for warn

Last Updated

25 Oct 2019

Time Traveler for warn

The first known use of warn was before the 12th century

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More Definitions for warn


How to pronounce warn (audio)

English Language Learners Definition of warn

: to tell (someone) about possible danger or trouble
: to tell (someone) to do or not to do something in order to avoid danger or trouble


\ ˈwȯrn How to pronounce warn (audio) \
warned; warning

Kids Definition of warn

1 : to put on guard : caution
2 : to notify especially in advance I warned you I might not stay long.

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More from Merriam-Webster on warn

Thesaurus: All synonyms and antonyms for warn

Rhyming Dictionary: Words that rhyme with warn

Spanish Central: Translation of warn

Nglish: Translation of warn for Spanish Speakers

Britannica English: Translation of warn for Arabic Speakers

Comments on warn

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a calculated move

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