She stood stock still for at least a half a minute before being satisfied that he was gone.

The old male stood stock still, reached back, and whipped his arm forward.

"They're standing stock still, the whole crowd of them, not making a move or a sound, just watching us!"

But when the door actually opened, they both stood stock still.

When I had finished he stood stock still and full of thought.

Better to stand stock still than to risk making noise of their own.

Chloe stood stock still in case he decided to turn around.

I stood stock still in the centre of the kitchen.

Gray stopped, stood stock still in the middle of the corridor.

Going to work meant standing stock still and taking a good look all around him.