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
Sheriff’s officials are warning people of the river’s dangers as warmer weather melts the Sierra Nevada snowpack and sends snowmelt downstream.
—
Darrell Smith, Sacbee.com, 27 May 2025
However, analysts are warning not to let optimism run unchecked.
—Yeo Boon Ping, CNBC, 27 May 2025
The Trump administration is warning Massachusetts communities to stay clear of U.S. Immigration and Customs Enforcement operations or else.
—Oscar Margain, NBC news, 16 May 2025
Here's a breakdown of the three-tiered alert system from the NWS and what each level entails:
High wind warning: Take action!
—Ca Weather Bot, Sacbee.com, 16 May 2025
See All Example Sentences for warn
Darrell Smith, Sacbee.com, 27 May 2025
However, analysts are warning not to let optimism run unchecked.
—Yeo Boon Ping, CNBC, 27 May 2025
The Trump administration is warning Massachusetts communities to stay clear of U.S. Immigration and Customs Enforcement operations or else.
—Oscar Margain, NBC news, 16 May 2025
Here's a breakdown of the three-tiered alert system from the NWS and what each level entails:
High wind warning: Take action!
—Ca Weather Bot, Sacbee.com, 16 May 2025
See All Example Sentences for warn
Recent Examples of Synonyms for warn
Verb
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Passengers immediately alerted the boat’s crew, who contacted police.—
Thomas Tracy,
New York Daily News,
31 May 2025
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This cosmic cannibalism causes blasts of light that can outshine the combined light of every star in the host galaxy of the TDE, alerting scientists to a gory stellar death.—
Robert Lea,
Space.com,
30 May 2025
Verb
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Whether ships will sail from homeports during storms, the cruise company advises guests and future cruisers to opt-in to text alerts to get messages regarding on schedule changes.—
Vinod Sreeharsha,
Miami Herald,
30 May 2025
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First, start with shattering functional silos, the researchers advise.—
Joe McKendrick,
Forbes.com,
30 May 2025
Cite this Entry
“Warn.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/warn. Accessed 4 Jun. 2025.
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