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sleepless

 - 3 dictionary results

sleep⋅less

[sleep-lis]
–adjective
1. without sleep: a sleepless night.
2. watchful; alert: sleepless devotion to duty.
3. always active: the sleepless ocean.

Origin:
1375–1425; late ME; see sleep, -less


sleep⋅less⋅ly, adverb
sleep⋅less⋅ness, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To sleepless
sleep·less   (slēp'lĭs)   
adj.  
    1. Marked by a lack of sleep: a sleepless night.

    2. Unable to sleep.

  1. Always alert or active; never resting: a sleepless district of the city.

sleep'less·ly adv., sleep'less·ness n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: sleep·less
Pronunciation: 'slE-pl&s
Function: adjective
: not able to sleep : INSOMNIACsleep·less·ness noun
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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