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 This sunrise alarm clock gently rouses sleepers by mimicking the glow of dawn. Malia Griggs, Glamour, 25 Oct. 2024 The top has a large, semi-translucent dial that evokes the big bells on top of classic alarm clocks. PCMAG, 17 Oct. 2024 Many of these smart alarm clocks can also vary audio options, connecting to music streaming accounts to play songs or selecting from ocean, rain or water audio sounds. Mason Leib, ABC News, 17 Oct. 2024 Leave it to Nintendo to build the most charming alarm clock of all time. David Pierce, The Verge, 13 Oct. 2024 See all Example Sentences for alarm clock 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'alarm clock.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 31 Oct. 2024.

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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!