false alarm

noun

1
: an alarm (such as a fire or burglar alarm) that is set off needlessly
2
: something causing alarm or excitement that proves to be unfounded

Examples of false alarm in a Sentence

A false alarm drew firefighters to the school. The report that the factory would be closing was a false alarm. He thought he might be having a heart attack, but his chest pains were just a false alarm.
Recent Examples on the Web
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.
Launched from a rooftop dock when a 911 call is received, a drone can reach the scene in minutes and stream live video and thermal data, allowing dispatch teams to cancel false alarms or tailor resources. Expert Panel®, Forbes.com, 23 May 2025 Its intelligent Human Detection system minimizes false alarms by recognizing human movement. Shubham Yewale, PCMAG, 14 Jan. 2025 The problem with faulty alerts and unclear information, Galperin said, is many people who get false alarms silence those notices, or ignore the next one. Jenny Jarvie, Los Angeles Times, 12 May 2025 That said, the app does wait 30 seconds before doing so, giving you time to stop it in the event of a false alarm. New Atlas, 2 Apr. 2025 See All Example Sentences for false alarm

Word History

First Known Use

1578, in the meaning defined at sense 1

Time Traveler
The first known use of false alarm was in 1578

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Cite this Entry

“False alarm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/false%20alarm. Accessed 9 Jun. 2025.

Last Updated: - Updated example sentences
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