alarm clock

noun

Definition of alarm clock

: 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 They're known as the spring peepers -- Mother Nature's spring alarm clock that can be heard near dusk and into the night, a chorus of serenading tiny frogs that shout the warmer days are coming. — Tom Sater, CNN, "It's no joke -- thunder wakes the peepers and brings good crops of corn and hay," 31 Mar. 2021 At 10 years old, Madeline was becoming a little obsessed with her alarm clock. — Eoin O'carroll, The Christian Science Monitor, "On the clock: How the clock became king," 29 Mar. 2021 Your alarm clock goes off, it's probably made with plastic that's been made from petrochemicals. — Salena Zito, Washington Examiner, "API president says he hopes for a seat at the table in Biden administration," 25 Feb. 2021 Saturday’s contest will be another early tip off for the Tide, which has seemed to sleep through its alarm clock for such starts this season. — Mike Rodak | Mrodak@al.com, al, "Alabama to honor seniors after Saturday’s game against Vanderbilt," 19 Feb. 2021 And the blaring alarm from an old-fashioned alarm clock or your smartphone certainly doesn't help. — Travel + Leisure, "The Best Gentle Alarm Clocks — From Sunrise Lamps to Timed Coffee Makers," 6 Apr. 2021 If every day were Opening Day, nobody would ever need an alarm clock. — Paul Daugherty, The Enquirer, "Paul Daugherty: Opening Day works best as a concept. Nothing wrong with that.," 1 Apr. 2021 If the phone is used as an alarm, buy an alarm clock. — Lauren Corona, chicagotribune.com, "How to fall asleep fast," 29 Mar. 2021 Hatch Restore is a multitasking device: a smart alarm clock, but also so much more. — Elizabeth Wallace, CNN Underscored, "Hatch Restore can customize your sleep routine with lights, sounds and more," 17 Mar. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'alarm clock.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Keep scrolling for more

Learn More about alarm clock

Dictionary Entries near alarm clock

Statistics for alarm clock

Last Updated

11 May 2021

Cite this Entry

“Alarm clock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alarm%20clock. Accessed 16 May. 2021.

Style: MLA

MLA

Chicago

APA

Merriam-Webster Check Mark Icon

Keep scrolling for more

More Definitions for alarm clock

alarm clock

noun

English Language Learners Definition of alarm clock

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

See the full definition for alarm clock in the English Language Learners Dictionary

alarm clock

noun

Kids Definition of alarm clock

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

Comments on alarm clock

What made you want to look up alarm clock? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

magnum opus

Listen to the pronunciation of magnum opus

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

Words Used by Nabokov Quiz

Choose the best definition or synonym for the word in bold: "There are some eructations that sound like cheers—at least, mine did." Lolita

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ

Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ