1. sound asleep - Adjective
2. sound asleep - Adjective Satellite
sleeping deeply
Source: WordNetI've learned to look like I'm listening to long confusing plots of cartoons and comic books when I'm actually sound asleep or making grocery shopping lists in my head. Patricia Heaton
lying fast asleep on the sofa Source: Internet
it would be cruel to wake him; he's sound asleep Source: Internet
Many were sound asleep when the river of mud hit their neighbourhoods, and witnesses said the sludge flowed so fast that they had to run for their lives, Umana added. Source: Internet
He took the sofa, I took the easy chair, and we were both sound asleep before we got 20 minutes into the movie. Source: Internet
One glance in the rear view mirror revealed they were all slumped over sound asleep. Source: Internet