wake-up
Americannoun
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an act or instance of waking up.
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an act or instance of being awakened.
I asked the hotel desk for a wake-up at 6.
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a time of awaking or being awakened.
I'll need a 5 o'clock wake-up to make the early plane.
adjective
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serving to wake one from sleep.
Tell the front desk you want a wake-up call.
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serving to arouse or alert.
a wake-up call on the problems of pollution.
noun
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informal an alert or intelligent person
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informal to be fully alert to (a person, thing, action, etc)
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.
Vinegar can be more like a gentle wake-up than a glass of water to the face.
From Salon ● Oct. 5, 2026
“It’s been a really big wake-up call,” said Majed Masad, Sakkijha’s co-founder and husband.
From The Wall Street Journal ● Oct. 4, 2026
He said the flare-up of the Drumcree dispute should be "a bit of a warning shot or a wake-up call".
From BBC ● Oct. 2, 2026
But the Chargers’ new offensive coordinator knows his unit must show urgency and improvement Sunday against the Las Vegas Raiders after a rude wake-up call in the season opener.
From Los Angeles Times ● Sep. 19, 2026
Before hanging up he asked her to give him a wake-up call at seven a.m.
From "Mountains Beyond Mountains" by Tracy Kidder and Michael French
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.