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.
The heavy-handed response to the false alarm has sparked outrage in the community, with Allen’s grandfather Lamont Davis demanding accountability. Karina Tsui, CNN Money, 25 Oct. 2025 At first, it’s dismissed as a false alarm; test launches happen somewhat regularly. Nicholas Quah, Vulture, 24 Oct. 2025 But such a response to a false alarm will mean the cell will die unnecessarily. Viviane Callier, Scientific American, 20 Oct. 2025 Parents may also find reassurance in knowing that human experts verify each threat to help reduce false alarms. Kurt Knutsson, FOXNews.com, 29 Sep. 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 26 Oct. 2025.

Last Updated: - Updated example sentences
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