WordWeb Online

1. In a state of sleep
   "were all asleep when the phone rang"; "fell asleep at the wheel";
   - sleeping
    
2. Lacking sensation
   "my foot is asleep";
   - benumbed, numb
    
3. Dead
   "he is asleep";
   - at peace, at rest, deceased, departed, gone

1. Into a sleeping state
   "he fell asleep"
    
2. In the sleep of death

See also: at rest, dead, dead to the world [informal], dopey, dopy, dormant, dozy, drowsing, drowsy, fast asleep, hibernating, hypnoid, incognisant [Brit], incognizant, insensible, sleepy, sleepy-eyed, sleepyheaded, slumberous, slumbery [archaic], slumbrous, somnolent, sound asleep, torpid, unawakened, unaware, unconscious

Antonym: awake

Encyclopedia: Asleep