- in or into a state of sleep: He fell asleep quickly.
- into a dormant or inactive state; to rest: Their anxieties were put asleep.
- into the state of death.
- sleeping: He is asleep.
- dormant; inactive.
- (of the foot, hand, leg, etc.) numb.
Origin of asleep
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- in or into a state of sleep
- in or into a dormant or inactive state
- (of limbs, esp when the blood supply to them has been restricted) numb; lacking sensation
- euphemistic dead
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
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.
Online Etymology Dictionary, © 2010 Douglas Harper
- In a state of sleep; sleeping.
- Numb, as of a limb.
- In or into a state of sleep.
- In or into a state of apathy or indifference.
- Into the sleep of the dead.
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
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.