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.
In Piranha Plant Nap Mishap there are multiple alarm clocks with which to contend. Dewayne Bevil, The Orlando Sentinel, 18 May 2025 Her trial began nearly a year after her arrest on March 18, 2025, in Grand Forks, N.D. Prosecutors claimed that Rice killed Knutson in a fit of rage amid their contentious living situation and Knutson’s alarm clock going off. Caroline Blair, People.com, 3 May 2025 Items like alarm clocks and stereos in working condition are often fair game, but televisions and microwaves, for example, are not. Quincy Bulin, Southern Living, 28 Mar. 2025 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 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 29 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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