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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Example Sentences
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Recent Examples of warn
Money woes, staffing shortages and patient insurance problems are about to get worse, hospital officials warn, under looming cuts to health care funding that are part of the One Big Beautiful Bill Act.
—
Arizona Republic, AZCentral.com, 9 Nov. 2025
Transportation Secretary Sean Duffy warned this week that even more cuts might be needed if the shutdown continues and more air traffic controllers are off the job.
—John Seewer, Fortune, 9 Nov. 2025
But the airline warned that additional air traffic control staffing shortages and resulting delay programs would cause further delays and cancellations on Sunday.
—Jonathan Limehouse, USA Today, 9 Nov. 2025
Duffy warned that flight reductions could go as high as 20% if the government shutdown continues.
—Brady Knox, The Washington Examiner, 8 Nov. 2025
See All Example Sentences for warn
Arizona Republic, AZCentral.com, 9 Nov. 2025
Transportation Secretary Sean Duffy warned this week that even more cuts might be needed if the shutdown continues and more air traffic controllers are off the job.
—John Seewer, Fortune, 9 Nov. 2025
But the airline warned that additional air traffic control staffing shortages and resulting delay programs would cause further delays and cancellations on Sunday.
—Jonathan Limehouse, USA Today, 9 Nov. 2025
Duffy warned that flight reductions could go as high as 20% if the government shutdown continues.
—Brady Knox, The Washington Examiner, 8 Nov. 2025
See All Example Sentences for warn
Recent Examples of Synonyms for warn
Verb
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Shortly thereafter, a bystander realized something wasn't right and alerted a lifeguard, Kauai Ocean Safety Bureau Chief Kalani Vierra told WBTW.—
Charna Flam,
PEOPLE,
8 Nov. 2025
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To understand what makes the mRNA shots special, the researchers examined blood and tissue samples and found that the COVID shots appeared to activate the innate immune system — a fundamental, early-warning defense mechanism that alerts other parts of the immune system to prepare for an attack.—
Lisa Jarvis,
Twin Cities,
8 Nov. 2025
Verb
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To avoid this issue, Wang advises simply following the product labels and dosage information while also maintaining a regular cleaning and maintenance schedule for your machine.—
Patricia Shannon,
Better Homes & Gardens,
8 Nov. 2025
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Once considered superficial next to financial advice and tax planning, services for health and wellness, family and kids, and travel and self-improvement are becoming core competencies in the business of advising and helping wealthy families.—
Robert Frank,
CNBC,
8 Nov. 2025
Cite this Entry
“Warn.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/warn. Accessed 12 Nov. 2025.
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