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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.

She continued: "Sometimes we do have these wake-up calls where, as a country, we just go, 'This has gone too far.'"

From BBC • May 21, 2026

But I’d encourage you to use this discovery as motivation — a wake-up call that jolts you into action.

From MarketWatch • May 20, 2026

For private-equity investors, however, the actions in Oregon and California are a wake-up call, showing that the new laws can’t be ignored, said John Saran, a partner at law firm Holland & Knight.

From The Wall Street Journal • May 14, 2026

But his big-league dream abruptly became a wake-up call last August when the Cubs released him a week before his wife gave birth to their first child.

From Los Angeles Times • May 5, 2026

He figured the library lock-in was officially over and this was the group’s wake-up call.

From "Escape from Mr. Lemoncello's Library" by Chris Grabenstein

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