alarm clock

noun

: a clock that can be set to sound an alarm at a desired time

Examples of alarm clock in a Sentence

She set the alarm clock for six o'clock. The alarm clock went off at six o'clock.
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.
After Knutson’s murder, investigators discovered that the roommates were allegedly getting into arguments over alarm clocks and pet fish. Caroline Blair, People.com, 3 May 2025 In one part of the world, children wake up to the sound of bombs, not alarm clocks. Dr. Maky Zanganeh, Forbes.com, 28 Apr. 2025 Here are 10 accessories that will help make your room feel extra cozy no matter the time of year: Smart alarm clock: on sale for $31.92 Original price: $52.98 Image 1 of 2 Amazon's affordable sunrise alarm clock mimics the sunrise to gradually wake you. Nora Colomer, Fox News, 19 Mar. 2025 Factors such as an alarm clock's light or a partner's breathing may be intolerable. Anna Giorgi, Verywell Health, 21 Apr. 2025 See All Example Sentences for alarm clock

Word History

First Known Use

1662, in the meaning defined above

Time Traveler
The first known use of alarm clock was in 1662

Browse Nearby Words

Cite this Entry

“Alarm clock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alarm%20clock. Accessed 21 May. 2025.

Kids Definition

alarm clock

noun
: a clock that can be set to sound an alarm at any desired time

More from Merriam-Webster on alarm clock

Last Updated: - Updated example sentences
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