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
Much of the Kansas City area remains under an extreme heat warning through Friday evening, although Saturday is expected to be hot.
—
Kansas City Star,
2 July 2026
In February 2025, a state appeals court upheld the jury’s verdict, ruling that Missouri’s laws requiring companies to warn of dangers are not preempted by federal law.
—
Sarah J. Morath,
The Conversation,
2 July 2026
Hundreds of millions of people will be exposed to dangerous, stifling heat over the extended July 4 weekend, with officials warning people to limit time outdoors and stay hydrated.
—
Victor Tangermann,
Futurism,
2 July 2026
King laughs, and warns Carrol against comparing him to Jesus.
—
Lillie Davidson,
Fort Worth Star-Telegram,
2 July 2026
See All Example Sentences for warn
Kansas City Star,
2 July 2026
In February 2025, a state appeals court upheld the jury’s verdict, ruling that Missouri’s laws requiring companies to warn of dangers are not preempted by federal law.
—
Sarah J. Morath,
The Conversation,
2 July 2026
Hundreds of millions of people will be exposed to dangerous, stifling heat over the extended July 4 weekend, with officials warning people to limit time outdoors and stay hydrated.
—
Victor Tangermann,
Futurism,
2 July 2026
King laughs, and warns Carrol against comparing him to Jesus.
—
Lillie Davidson,
Fort Worth Star-Telegram,
2 July 2026
See All Example Sentences for warn
Recent Examples of Synonyms for warn
Verb
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According to the Lauderhill Police Department, someone alerted officers that a man had attempted to attack him while he was armed with a knife.
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James alerted the Lakers with enough forewarning before free agency officially begins on Tuesday evening about his future plans.
Verb
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Agriculture regulators advise home gardeners to either consume homegrown produce on site or not move it at all from the property to prevent the spread of the fly to nearby regions.
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Republicans have repeatedly echoed the concerns of the Legislative Analyst’s Office — which advises the Legislature on fiscal matters — about the state’s spending.
Cite this Entry
“Warn.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/warn. Accessed 5 Jul. 2026.
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