rot away

He set the world on fire, and now he's rotting away.

The further back you went the more it had all rotted away.

Think I could end a life like mine rotting away in some retirement home?

Might all of those little fish bones have rotted away in the ground?

Some had no lower jaws, rotted away by the forces they worked with.

The body inside the armor had long ago rotted away.

I'd seen a vampire whose face had rotted away on one side.

Then he makes up this funny word and says it's the name of a disease by which his brain is rotting away.

With no one around for seven weeks the food has all rotted away and thousands of flies now call the box their home.

No food or clothing; everything of that sort had long since rotted away.