warn
verb (used with object)
to give notice, advice, or intimation to (a person, group, etc.) of danger, impending evil, possible harm, or anything else unfavorable.
warns
-
present tense formof warn (3rd person singular).present tense
Used to describe things happening now or regularly.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Ukraine's air force said the "air alert" app -- which typically warns of incoming Russian drone and missile attacks -- had been "subjected to hostile interference".
From Barron's ● Nov. 2, 2026
And she warns that artificial intelligence will let YouTube’s creators make better, longer videos for the same money, bringing them closer to competing with Netflix’s own.
From The Wall Street Journal ● Nov. 2, 2026
Uday warns of "a lifelong deficit" in women - in adolescence, then pregnancy, and then the newborn is affected.
From BBC ● Oct. 30, 2026
The EIA warns that switching fuels would not necessarily result in lower expenditures for every household.
From MarketWatch ● Oct. 28, 2026
They smile, but the little voice warns me.
From "Shouting at the Rain" by Lynda Mullaly Hunt
