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Synonyms

wake-up

American  
[weyk-uhp] / ˈweɪkˌʌp /

noun

  1. an act or instance of waking up.

  2. an act or instance of being awakened.

    I asked the hotel desk for a wake-up at 6.

  3. a time of awaking or being awakened.

    I'll need a 5 o'clock wake-up to make the early plane.

  4. flicker.


adjective

  1. serving to wake one from sleep.

    Tell the front desk you want a wake-up call.

  2. serving to arouse or alert.

    a wake-up call on the problems of pollution.

wake-up British  

noun

  1. informal an alert or intelligent person

  2. informal to be fully alert to (a person, thing, action, etc)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of wake-up

First recorded in 1835–45; noun, adj. use of verb phrase wake up

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It’s a wake-up call to the art world that the Louvre incident might have spawned a wave of copycat thefts.

From The Wall Street Journal • Apr. 1, 2026

Megan Thee Stallion addressed the health scare on Instagram, calling it a “real wake-up call for me.”

From Los Angeles Times • Apr. 1, 2026

“The fact that non-fuel import prices increased so much is a wake-up call for policymakers and will keep the Federal Reserve in pause for longer than expected,” said Eugenio Aleman, chief economist at Raymond James.

From MarketWatch • Mar. 25, 2026

Comptroller Mark Levine called the move a “sobering wake-up call,” noting the city is spending more than it earns.

From Barron's • Mar. 11, 2026

A rooster crowed his wake-up call into the clear air.

From "The Devil's Arithmetic" by Jane Yolen