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
Indeed, the airline warned that while the first post-dispute flights were scheduled for the evening of August 19, a full return to service could take anywhere from 7 to 10 days.
—
Charmaine Noronha, AFAR Media, 19 Aug. 2025
In another context, Altman warned that the U.S. may be underestimating the progress that China is making in AI.
—Yeo Boon Ping, CNBC, 19 Aug. 2025
Protective sand dunes could be inundated and destroyed, which could lead to severe flooding inland, National Park Service officials at Cape Hatteras National Seashore warned Monday.
—Briana Waxman, CNN Money, 19 Aug. 2025
Publishers and digital-leaders warn these assurances mask a troubling reality.
—Charlie Fink, Forbes.com, 7 Aug. 2025
See All Example Sentences for warn
Charmaine Noronha, AFAR Media, 19 Aug. 2025
In another context, Altman warned that the U.S. may be underestimating the progress that China is making in AI.
—Yeo Boon Ping, CNBC, 19 Aug. 2025
Protective sand dunes could be inundated and destroyed, which could lead to severe flooding inland, National Park Service officials at Cape Hatteras National Seashore warned Monday.
—Briana Waxman, CNN Money, 19 Aug. 2025
Publishers and digital-leaders warn these assurances mask a troubling reality.
—Charlie Fink, Forbes.com, 7 Aug. 2025
See All Example Sentences for warn
Recent Examples of Synonyms for warn
Verb
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Customers must agree to keep their delivery area clear of people and pets The Walmart app alerts a customer when their cart reaches the drone delivery weight and volume limits.—
Steve Banker,
Forbes.com,
7 Aug. 2025
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Authorities say the investigation began with a cyber tip from the National Center for Missing and Exploited children, which alerted authorities in Contra Costa to suspicious online activity at Vannucci’s home.—
Nate Gartrell,
Mercury News,
7 Aug. 2025
Verb
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These services include research, analysis, advising, consulting, benchmarking, acquisition matchmaking and video and speaking sponsorships.—
Patrick Moorhead,
Forbes.com,
8 Aug. 2025
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Local nonprofit Friends of Cibola NWR also advised boaters to avoid the area in a Facebook post.—
Stephanie Murray,
AZCentral.com,
7 Aug. 2025
Cite this Entry
“Warn.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/warn. Accessed 23 Aug. 2025.
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