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asleep

[uh-sleep]
See more synonyms for asleep on Thesaurus.com
adverb
  1. in or into a state of sleep: He fell asleep quickly.
  2. into a dormant or inactive state; to rest: Their anxieties were put asleep.
  3. into the state of death.
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adjective
  1. sleeping: He is asleep.
  2. dormant; inactive.
  3. (of the foot, hand, leg, etc.) numb.
  4. dead.
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Origin of asleep

before 1000; Middle English o slæpe, aslepe, Old English on slǣpe; see a-1, sleep
Related formshalf-a·sleep, adjectivequa·si-a·sleep, adjective, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for half asleep

lethargic, dazed, comatose, dreamy, drugged, heavy, indolent, lackadaisical, languid, lazy, restful, sluggish, somnolent, soothing, soporific, tired, torpid, nodding, slumberous, dopy

British Dictionary definitions for half asleep

asleep

adjective (postpositive)
  1. in or into a state of sleep
  2. in or into a dormant or inactive state
  3. (of limbs, esp when the blood supply to them has been restricted) numb; lacking sensation
  4. euphemistic dead
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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

Word Origin and History for half asleep

asleep

adj.

c.1200, aslepe, o slæpe, from Old English on slæpe (see sleep). The parallel form on sleep continued until c.1550. Of limbs, "numb through stoppage of circulation," from late 14c. Meaning "inattentive, off guard" is from mid-14c.

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Online Etymology Dictionary, © 2010 Douglas Harper

half asleep in Medicine

asleep

(ə-slēp)
adj.
  1. In a state of sleep; sleeping.
  2. Numb, as of a limb.
  3. Dead.
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adv.
  1. In or into a state of sleep.
  2. In or into a state of apathy or indifference.
  3. Into the sleep of the dead.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Idioms and Phrases with half asleep

asleep

In addition to the idiom beginning with asleep

  • asleep at the switch

also see:

  • fall asleep
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The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.