- present perfect of warn.
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.
Some AI executives have warned that their powerful new tools could upend how people live and work and ultimately transform the labor market.
From The Wall Street Journal • Jun. 5, 2026
Authorities have warned of further disruption on Wednesday, with possible transport delays in Tokyo, while some schools in the capital have closed.
From Barron's • Jun. 3, 2026
Pro hunting supporters have warned that a new Stormont bill to ban the blood sport will leave thousands of dog owners across Northern Ireland at risk of prosecution.
From BBC • May 26, 2026
Still, experts have warned that it will take months for the oil and gas industry to return to pre-war levels, as production facilities must be brought back up to speed.
From MarketWatch • May 24, 2026
Aragorn could perhaps have told them that name and its significance; Gandalf would have warned them.
From "The Two Towers" by J. R. R. Tolkien
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