natural death
death by natural causes

A natural death is not seen as likely in the near future.

I guess I'm just not used to the idea of natural death.

No one was ever known to die a natural death.

"How else could they make it look a natural death?"

We then wait for them to die a more or less natural death.

This was made to appear as if she had died a natural death.

He died a natural death in 1968 at t age of 83.

And yet by no natural death, for she could have been saved.

The small talk died a natural death as they settled down.

Thus by far the greater number of books would die a natural death in three months or so.

No one must know that the men had not died natural deaths.

Maybe he wanted certain memories to die a natural death.

"Not what you would call a natural death," she said.

How many of the Imperial family have died a natural death?

He would've died a natural death soon enough and left you well off."

"There has been a natural death," he told the face that came on the screen.

"It looks like a case of natural death," he decided.

It must have been a natural death; they had buried him quickly enough.

Human life begins at conception and should end in natural death.

That denied the party's right to die a natural death.

Why did it have to look like a natural death?"

"All the signs are that this was a natural death, probably a heart attack."

She thought it would all pass off as natural death, I dare say.

Halfway to a natural death and he'd still not experienced what these people had.

The demand for an inquiry "all sort of died a natural death."