warned; warning; warns

transitive verb

1
a
: 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
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.
Recent Examples on the Web But the new policy could have unintended consequences, warns the National Air Traffic Controllers Association. Joel Rose, NPR, 22 Apr. 2024 In a letter to Congress this month, FCC Chairwoman Jessica Rosenworcel warned that not funding the program would have widespread impact, especially for senior citizens, veterans, schoolchildren and residents of rural and tribal communities. Ruben Vives, Los Angeles Times, 22 Apr. 2024 The governors warned a union could lead to job losses. Jamie L. Lareau, Detroit Free Press, 22 Apr. 2024 In the aftermath, the Biden administration warned Israel to swiftly address civilian suffering in Gaza or risk future U.S. support. Kareem Fahim and Beril Eski The Washington Post, arkansasonline.com, 22 Apr. 2024 The National Weather Service has issued a freeze warning from midnight Saturday until 8 a.m. Sunday. Frank Vaisvilas, Journal Sentinel, 20 Apr. 2024 Investor Deepwater Asset Management argued this won’t be nearly enough, however, and warned that the kind of heavy spending Netflix will need to secure streaming rights will almost certainly dilute its profitability. Christiaan Hetzner, Fortune, 19 Apr. 2024 His Russian producers, relying in part on government money, warned Lockshin to keep quiet. Christopher Goffard, Los Angeles Times, 10 Apr. 2024 Meteorologists warned that places within the bounds of this advisory would likely see a few tornadoes and widespread wind gusts up to 80 miles per hour. Emily Mae Czachor, CBS News, 10 Apr. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'warn.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

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

First Known Use

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

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

Dictionary Entries Near warn

Cite this Entry

“Warn.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/warn. Accessed 25 Apr. 2024.

Kids Definition

warn

verb
1
a
: to give notice to beforehand especially of danger or evil
b
: to give advice to : counsel
2
: to order to go or stay away
warned us off their land
warner noun

More from Merriam-Webster on warn

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