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 When Trump warned against further violations, Putin paused. Dominic Green, Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government, 21 Feb. 2025 However, the beguiling Elliot soon becomes distant and disappears without warning. Shayeza Walid, Variety, 21 Feb. 2025 South Korean officials have warned that Beijing could build as many as a dozen additional installations in the area. Tom Rogers, Newsweek, 21 Feb. 2025 The retailing giant on Thursday provided a 2025 sales and profit forecast that was lower than analysts had expected, with executives warning about new challenges in an uncertain economic landscape. CBS News, 21 Feb. 2025 See All Example Sentences for warn

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“Warn.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/warn. Accessed 3 Mar. 2025.

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