be dead to the world

To be sleeping very soundly. Don't worry, the vacuum won't wake him—he's dead to the world.

to be sleeping very deeply Guy was curled up on the sofa, dead to the world.

Name	Pronounced	Usage
Silouanos	-	Biblical Greek
Riika	REE:-kah	Finnish
Rita	['ri:tə]
Blanka	BLAHN-kah (Czech, Slovak, Polish, Croatian), BLAWN-kaw (Hungarian)	Czech, Slovak, Polish, Hungarian, Croatian
Fatima	-	Arabic
Alexandra	[.ælig'za:ndrə]