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View synonyms for

sleepless

[ sleep-lis ]

adjective

  1. without sleep:

    a sleepless night.

  2. watchful; alert:

    sleepless devotion to duty.

  3. always active:

    the sleepless ocean.



sleepless

/ ˈːɪ /

adjective

  1. without sleep or rest

    a sleepless journey

  2. unable to sleep
  3. always watchful or alert
  4. poetic.
    always active or moving

    the sleepless tides

“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
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Derived Forms

  • ˈ, adverb
  • ˈԱ, noun
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Other Word Forms

  • l· adverb
  • l·Ա noun
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Word History and Origins

Origin of sleepless1

late Middle English word dating back to 1375–1425; sleep, -less
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Example Sentences

Examples have not been reviewed.

"I've had countless sleepless nights. The incident is like it happened yesterday," said Mr Campbell, who held onto the girl after the attack while she still had a knife in her hand.

From

Meghan has said on her podcast that she's learning from other female entrepreneurs about "the sleepless nights, the lessons learned and the laser focus that got them to where they are today."

From

"It's given me nightmares and sleepless nights. I'm disgusted about what they've done to me," he said.

From

The teens described shattered bodies, sleepless nights and lasting trauma at Eis’ sentencing hearing, according to the Ventura County district attorney’s office.

From

That specialness makes “Cowboy Bebop” the prescription for sleepless nights, whether it’s because you can’t or don’t want to.

From

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