Definition of "asleep"

asleep

/əˈsliːp/

adjective
comparative more asleep, superlative most asleep
1. In a state of sleep; also, broadly, resting.
2. (slang) Inattentive.
  Quotations
  The reason they call it the American Dream is because you have to be asleep to believe it.
  1997, George Carlin, Brain Droppings‎, New York: Hyperion Books, page 83
3. (of a body part) Having a numb or prickling sensation accompanied by a degree of unresponsiveness.
  Quotations
  Louisa sat in the car crying, until her foot fell asleep. She shook her foot violently, afraid the numbness would turn to frostbite.
  2003, Norma L. Bronoski, Nuns Don't Dance
4. (euphemistic) Dead.