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.
While these hoaxes mostly ended up being false alarms, experts note that these types of hoaxes are not only a serious crime with substantial penalties for those involved but can also put first responders and bystanders at risk. ABC News, 12 Sep. 2025 The threat turned out to be a false alarm, but the scare rippled through a Capitol already on edge after Kirk’s assassination. Nik Popli, Time, 11 Sep. 2025 And ultimately, all of this was a false alarm. Dan Goodin, ArsTechnica, 4 Sep. 2025 All turned out to be false alarms, but not before causing widespread disruption and fear. Stepheny Price, FOXNews.com, 31 Aug. 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 15 Sep. 2025.

Last Updated: - Updated example sentences
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