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.
Giving the gift of sleep hygiene is easy with the Hatch Restore 3: an alarm clock, sound machine, and smart light rolled into one handy device. Blake Bakkila, Architectural Digest, 30 Jan. 2025 But Take Note This is a very basic alarm clock without any extra features. Cheryl Fenton, Parents, 28 Jan. 2025 For a more peaceful morning routine, consider one of the best sunrise alarm clocks. Jamie Ballard, Allure, 16 Jan. 2025 Set an alarm clock or reminder on your smartphone or download a free mobile app that offers medication reminders. Karen Berger, Pharmd, Verywell Health, 6 Jan. 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

Dictionary Entries Near alarm clock

Cite this Entry

“Alarm clock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alarm%20clock. Accessed 13 Feb. 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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