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
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of warn
The Israeli military struck multiple high-rise buildings in Gaza City on Sunday, after warning people to leave several neighborhoods, in the latest round of destruction since Israel ordered a complete evacuation of the city earlier this week.
—
Tim Lister, CNN Money, 14 Sep. 2025
These structures may have allowed the animals to produce deep, booming calls, warning others of predators, keeping herds together, or attracting mates.
—Rupendra Brahambhatt, Interesting Engineering, 14 Sep. 2025
While a seven-figure career without a degree sounds like a dream for Gen Z, Eklund also warns that success doesn’t always come swiftly.
—Emma Burleigh, Fortune, 14 Sep. 2025
Researchers also warn that unchecked circulation of graphic violence can desensitize viewers and, in some cases, encourage extremist responses.
—Kurt Knutsson, FOXNews.com, 13 Sep. 2025
See All Example Sentences for warn
Tim Lister, CNN Money, 14 Sep. 2025
These structures may have allowed the animals to produce deep, booming calls, warning others of predators, keeping herds together, or attracting mates.
—Rupendra Brahambhatt, Interesting Engineering, 14 Sep. 2025
While a seven-figure career without a degree sounds like a dream for Gen Z, Eklund also warns that success doesn’t always come swiftly.
—Emma Burleigh, Fortune, 14 Sep. 2025
Researchers also warn that unchecked circulation of graphic violence can desensitize viewers and, in some cases, encourage extremist responses.
—Kurt Knutsson, FOXNews.com, 13 Sep. 2025
See All Example Sentences for warn
Recent Examples of Synonyms for warn
Verb
-
This protection can also alert you to phishing emails and ransomware scams, keeping your personal information and digital assets safe.—
Kurt Knutsson,
FOXNews.com,
14 Sep. 2025
-
Residents of six Polish districts near to the Ukrainian border received emergency SMS alerts warning of a threat from the air.—
Bloomberg News,
Boston Herald,
13 Sep. 2025
Verb
-
Mendoza advised King to request twice as many; Mendoza had a plan for the others.—
ProPublica,
ProPublica,
13 Sep. 2025
-
The players had two weeks off before the Euros, and Bronze was advised to rest.—
Charlotte Harpur,
New York Times,
13 Sep. 2025
Cite this Entry
“Warn.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/warn. Accessed 16 Sep. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share