What is another word for fast asleep?
Pronunciation: [fˈast ɐslˈiːp] (IPA) 
The phrase "fast asleep" is commonly used to describe someone who is sleeping deeply and soundly. However, there are many synonyms that can be used to convey the same meaning. Some common synonyms for "fast asleep" include "deep asleep", "sound asleep", "dead to the world", "in a deep slumber", "completely out", and "snug as a bug in a rug". Each of these phrases helps to paint a vivid picture of someone who is soundly sleeping and completely unaware of their surroundings. Using these synonyms in your writing can help to add more variety and expressivity to your descriptions of sleeping individuals.
