on the alert

phrase

Definition of on the alertnext
as in alert
paying close attention usually for the purpose of anticipating approaching danger or opportunity Residents were warned to stay on the alert for changes in the storm's projected path.

Synonyms & Similar Words

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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 on the alert The area had been hunted by another party the previous week and the muskox were on the alert. — Ron Spomer, Outdoor Life, 19 Aug. 2026 London noir is a rare subgenre — and an especially difficult one to pull off — but Michele Fiascaris’ debut Rain Catcher is a satisfying, seductively atmospheric addition to the canon that will keep even the most jaded of viewers on the alert. — Damon Wise, Deadline, 6 July 2026
Recent Examples of Synonyms for on the alert
on the ball
Phrase
  • Not just his dazzling skill and intentionality on the ball, but off of it, too, in a pressing, high-energy team.
    — Thom Harris, New York Times, 16 Aug. 2026
  • Kamara landed on the ball in the end zone for a touchdown that pushed Indiana’s lead to 17-7.
    — Jordan McPherson, Miami Herald, 12 Aug. 2026
Definition of on the ball

Browse Nearby Words

on tenterhooks
on the alert
on the ball
See all Nearby Words

Cite this Entry

“On the alert.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/on%20the%20alert. Accessed 22 Aug. 2026.

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