yellow alert

noun

: the preliminary stage of alert (as when hostile or unidentified aircraft are nearing a defended area)
also : the signal for this compare blue alert , red alert, white alert

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Cite this Entry

“Yellow alert.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/yellow%20alert. Accessed 25 Dec. 2024.

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