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.
Again, perfect as a new smart assistant and alarm clock in one. Nena Farrell, Wired News, 11 July 2025 Snag early Prime Day deals on crucial sleep essentials like mattresses, supportive pillows, cozy bedding, and even innovative sleep tech such as smart rings and sunrise alarm clocks. Nora Colomer May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 5 July 2025 The buzz of a 1970s alarm clock pulls us from our reverie. Hazlitt, 25 June 2025 Downstairs, young footman and part-time inventor Jack is trying to sell a new style of alarm clock with Larry's help and leave the world of service and rigid class striations behind him. Kelly Lawler, USA Today, 23 June 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 Jul. 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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