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.
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 Like most Americans, you were awoken this morning by a radio alarm clock. Christian Schneider, National Review, 2 Jan. 2025 From tech, grab this waterproof Bluetooth speaker to take tunes on the go, or try this sunrise alarm clock to wake up to soft ambient lighting each day. Clara McMahon, People.com, 2 Dec. 2024 The Hatch alarm clock also doubles as a sound machine. Ashlyn Messier, Fox News, 21 Nov. 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 30 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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