Definition, Meaning & Synonyms

sound-asleep

Adjective
/saʊnd əˈsliːp/
Definition
In a deep state of sleep; sleeping very peacefully and deeply.
Examples
  • After a long day, he was sound-asleep by 9 PM.
  • She was so sound-asleep that nothing could wake her up.
Meaning
When someone is sound-asleep, they are in a condition where they are not easily disturbed and are resting very deeply.
Synonyms
  • Asleep
  • Fast asleep
  • Dead to the world