Dead to the world
The phrase "Dead to the world" is an idiomatic expression that means completely unaware, unconscious, or unresponsive to one's surroundings. It suggests a deep and sound sleep or a state of complete physical and mental unawareness.
An idiom is a phrase or expression that usually presents a figurative, non-literal meaning attached to the phrase. Does that sound fun? It can be!
Play Just Saying - the word game that makes learning idioms a good time on your mobile phone or tablet.