: 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.
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Cell phones have built-in alarm clocks, making the need for a separate wake-up device obsolete.—Madeline Buiano, Martha Stewart, 8 Feb. 2026 The circadian rhythm, the body’s natural alarm clock that will suppress melatonin in the morning and increase alertness, is triggered by sunlight.—Alexa Mikhail, Flow Space, 4 Feb. 2026 The cameras were allegedly disguised as a phone charger and an alarm clock.—Jeff Nguyen, CBS News, 27 Jan. 2026 For the next few days, instead of a blaring alarm clock and taxi cab horns, I am awoken by the deep belly laughter of hippos who live in the lagoon directly outside my door.—Condé Nast Traveler, 22 Jan. 2026 See All Example Sentences for alarm clock