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.
Their day starts, as always, with an alarm clock that activates a Rube Goldberg-like machine. Stephen Humphries, The Christian Science Monitor, 19 Dec. 2024 Entertainment & Arts Princess Zelda is the year’s most butt-kicking childless cat lady Oct. 1, 2024 Opinions from sleep experts vary on the use of alarm clocks. Todd Martens, Los Angeles Times, 30 Oct. 2024 Perhaps, smart alarm clocks' most advantageous quality is the ability to keep users on a consistent sleep schedule with ease. Mason Leib, ABC News, 17 Oct. 2024 The alarm clock gradually increases the light in the room over the course of 30 minutes, then, once she’s largely roused, sounds a gentle alarm. Brigitt Earley, Glamour, 6 Dec. 2024 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 18 Jan. 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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