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

Other windows incorporated costume accessories with alarm clocks, red lobsters and other favorite motifs of the surrealists. —Rosemary Feitelberg, Footwear News, 21 July 2025

Images show X-rays of common everyday items like toys, a coffee maker, alarm clocks and more. —Cam'ron Hardy, Chicago Tribune, 18 July 2025

Helpful Tip: Consider investing in a traditional alarm clock and setting up a charging station outside your bedroom. —Caroline Castrillon, Forbes.com, 16 July 2025

The sunrise alarm clock gradually brightens your room with a simulated sunrise for a gentle wake-up. —Nora Colomer May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 5 July 2025

Word History

First Known Use

1662, in the meaning defined above

Rhymes for alarm clock

• aftershock
• antiknock
• arawak
• hollyhock
• interlock
• isopach
• manioc
• shuttlecock
• tomahawk
• weathercock
• alcock
• beanstalk

Kids Definition

alarm clock

noun

: a clock that can be set to sound an alarm at any desired time