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.
Updated March 14, 2025 10:35 AM Wellness From sunrise alarm clocks to mouth taping, which sleep trends are actually worth it? Ryan Brennan, Charlotte Observer, 19 Mar. 2025 Hatch Restore 3 Sunrise Alarm Clock With 80+ sleep sounds and audio settings, the Hatch alarm clock aims to create an optimal sleep environment while encouraging a screen-free bedroom. Averi Baudler, People.com, 13 Mar. 2025 Try to remove your phone from your bedroom at least one hour before bed and use an analog alarm clock instead of relying on your phone as an alarm clock. The Washington Post, San Diego Union-Tribune, 4 Feb. 2025 After all, that’s where the map and the alarm clock live. Cora Harrington, Miami Herald, 30 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

Browse Nearby Words

Cite this Entry

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