wake-up

1 of 2

adjective

: serving to wake up
a wake-up alarm

wake up

2 of 2

verb

woke up also waked up; woken up also waked up; waking up; wakes up

transitive + intransitive

a
: to cease sleeping : to become awake
I woke up late this morning.
When I woke up on Monday the sky was the color of mercury, and the air was heavy with moisture.Ann M. Martin
b
: to rouse (a person or animal) from or as if from sleep
The sound of a door slamming woke him up.
c
: to become aware or to make (someone) aware of something (such as an existing problem or danger)
They finally woke up and realized what was happening.
usually used with to
a study that woke people up to the importance of regular exercise
In 1997, … Jacob Nielsen predicted that if newspapers didn't wake up to the threat of online classified advertising and dominate the field by 1998, many of them would die within a decade.Emily Benedek
d
: to make (something) active : arouse, stir
"And what joy and cheerfulness it wakes up within us, to see all nature beaming in brightness and sunshine …" added Alice …Charles Dickens

Examples of wake-up in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
Our brazen pursuit of the world’s largest remaining oil reserves should serve as a wake-up call to California and its waning commitment to an independent, renewable energy future. Tom Philp, Mercury News, 8 Jan. 2026 An optimist might say this was a wake-up call. Jon Greenberg, New York Times, 5 Jan. 2026
Verb
Iran woke up over the weekend to dramatic scenes of US forces landing in the Venezuelan capital Caracas to capture Tehran’s ally President Nicolas Maduro and move him to the US in a brazen nighttime operation that saw the president and his wife get dragged out of their bedroom. Mostafa Salem, CNN Money, 7 Jan. 2026 Go to bed and wake up routinely. Sohaib Imtiaz, Verywell Health, 5 Jan. 2026 See All Example Sentences for wake-up

Word History

First Known Use

Adjective

1880, in the meaning defined above

Verb

1767, in the meaning defined above

Time Traveler
The first known use of wake-up was in 1767

Browse Nearby Words

Cite this Entry

“Wake-up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wake-up. Accessed 10 Jan. 2026.

Last Updated: - Updated example sentences
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