How to Use red alert in a Sentence

red alert

noun
  • The troops have been put on red alert.
  • If his death was an online storm, then the weeks leading up to it were a red alert.
    — Lucy Ford, TIME, 21 Oct. 2024
  • To be sure, none of these polling results amount to a red alert for Biden’s prospects.
    — Time, 23 Oct. 2019
  • Most of Ohio remains on red alert for concerns over the spread of the virus.
    — Marc Bona, cleveland, 16 Jan. 2021
  • Big yikes, but Orgon can’t see the red alerts through his rosy glasses.
    — Sara Holdren, Vulture, 17 Dec. 2025
  • The heat wave that scorched Europe last week felt like a red alert of climate change.
    — Michele Cohen Marill, WIRED, 3 July 2019
  • The art community is on red alert.
    — Lionel Laurent, Twin Cities, 24 Oct. 2025
  • The five central islands are on red alert for high swells on Wednesday.
    — Barry Hatton, San Diego Union-Tribune, 1 Oct. 2019
  • During code red alerts, cooling centers are free and open to the public.
    — Juliana Kim, baltimoresun.com, 17 Aug. 2019
  • Or someone loses their nerve, putting the Jennings on red alert.
    — Joshua Rivera, GQ, 31 May 2018
  • In Italy, 16 cities have been placed under a red alert for the extreme heat.
    — CBS News, 16 July 2023
  • Petrov, juggling a phone in one hand and an intercom in the other, judged that the red alert was a false alarm.
    — Harrison Smith, Washington Post, 18 Sep. 2017
  • Your brain and body weren’t designed to stay on red alert 24/7 in order to speed from task to task.
    — Bryan Robinson, Forbes, 5 Apr. 2021
  • And in France, thousands of schools shut as a safety measure and red alerts were issued.
    — Emma Clarke, Condé Nast Traveler, 2 July 2025
  • On Sunday, a red alert was in place for seven of the state's 14 districts.
    — Helen Regan, CNN, 10 Aug. 2020
  • The good news is that what look like flashing red alerts about imminent trouble for the banks are nothing of the sort.
    — James MacKintosh, WSJ, 22 Mar. 2018
  • In the city of Chongqing, which has also been under a red alert, the heat caused a museum roof to melt.
    — Alexandra Meeks, CNN, 22 July 2022
  • These map tiles are perfect for when there’s a red alert or warp core breach and the players need a better idea of who is acting where.
    — Rob Wieland, Forbes, 23 Dec. 2021
  • Though 27 counties were listed for red alert this week, the number has shrunk over the last couple of months.
    — Rich Exner, cleveland, 13 May 2021
  • Reporters, news executives and others in the news media should be on red alert.
    — Margaret Sullivan, Washington Post, 10 Aug. 2020
  • Over the last few weeks, usage of red alert apps has exploded both within Israel and abroad.
    — Bella Aldrete, NBC News, 7 Nov. 2023
  • If, in the future, works of fiction must carry content warnings, this one will require a red alert.
    — Tim Parks, The New York Review of Books, 31 Mar. 2021
  • Garoppolo stood on the sideline, on red alert, at two Super Bowls.
    — Scott Ostler, SFChronicle.com, 10 Jan. 2020
  • A week ago 55 counties were on red alert in the state’s virus-advisory system.
    — Marc Bona, cleveland, 3 Apr. 2021
  • Eight provinces have been placed under red alert, 13 under yellow, and three under green.
    — Jacqueline Charles, Miami Herald, 23 Oct. 2025
  • Meanwhile, 52 counties are now considered on red alert, up from 51 last week.
    — Jeremy Pelzer, cleveland, 9 Apr. 2021
  • Entering a Week 2 matchup with the Chargers, the red alert returns.
    — Jori Epstein, USA TODAY, 17 Sep. 2021
  • Red heat wave alerts across Italy Italy on Monday issued heat wave red alerts for 12 cities.
    — Makini Brice, USA Today, 23 June 2026
  • The twins began to scream — the loud, excruciating, ear-shattering screams that would set any adult on red alert.
    — Elliott Hester, Los Angeles Times, 5 Nov. 2020
  • In the case of the cold drop in Spain, the timely translation of the red alert into concrete actions on the ground failed.
    — Geraldine Castro, WIRED, 28 Nov. 2024

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'red alert.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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