as in to alert
to give notice to beforehand especially of danger or risk
the lifeguard warned the boys that if they continued playing so rough, someone was sure to get hurt
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Recent Examples of warn
Advertisement Economiesuisse, Switzerland’s largest business federation, has also objected to the proposal, warning that limiting immigration could lead to labor shortages especially for healthcare, research and service industries that depend on foreign labor.
—
Miranda Jeyaretnam, Time, 30 Apr. 2026
Fox News commentator Raymond Arroyo warned the public about the dangers of the language lesson, likening it to a gateway drug to Islam.
—Lorraine Ali, Los Angeles Times, 30 Apr. 2026
However, despite the deluge of social media posts from hair transplant recipients, including Huffman, the International Society of Hair Restoration Surgery warns that many Turkish hair clinics are unlicensed and lack proper medical oversight.
—Tribune News Service, Baltimore Sun, 30 Apr. 2026
The Centers for Disease Control and Prevention warned this week that additional measles cases in the United States can be expected in the coming months as the busy summer travel season approaches.
—Thao Nguyen, USA Today, 30 Apr. 2026
See All Example Sentences for warn
Miranda Jeyaretnam, Time, 30 Apr. 2026
Fox News commentator Raymond Arroyo warned the public about the dangers of the language lesson, likening it to a gateway drug to Islam.
—Lorraine Ali, Los Angeles Times, 30 Apr. 2026
However, despite the deluge of social media posts from hair transplant recipients, including Huffman, the International Society of Hair Restoration Surgery warns that many Turkish hair clinics are unlicensed and lack proper medical oversight.
—Tribune News Service, Baltimore Sun, 30 Apr. 2026
The Centers for Disease Control and Prevention warned this week that additional measles cases in the United States can be expected in the coming months as the busy summer travel season approaches.
—Thao Nguyen, USA Today, 30 Apr. 2026
See All Example Sentences for warn
Recent Examples of Synonyms for warn
Verb
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Anybody who sees any sort of spill or leak in progress should call 911 and the proper authorities will be alerted, Ravitch said.—
Phil Diehl,
San Diego Union-Tribune,
26 Apr. 2026
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The writers got the studios to agree to alert the union if a studio licenses writers’ work for AI training and continue holding meetings with the union on implementation.—
Katie Campione,
Deadline,
26 Apr. 2026
Verb
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Altman is a booster for San Francisco, advising its mayor and expanding OpenAI’s offices here, while Musk shuns the city and now lives in Texas.—
David Ingram,
NBC news,
26 Apr. 2026
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Homes in the vicinity have been evacuated and members of the public are advised to avoid the area, the Police Service of Northern Ireland said on Sunday.—
ABC News,
ABC News,
26 Apr. 2026
Cite this Entry
“Warn.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/warn. Accessed 1 May. 2026.
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