slip away
steal away
sneak away
sneak off
sneak out

Come on ¡X we should be able to sneak out now.

It would not matter now if you did sneak them out.

I'm all alone and it's very dark I sneak out the window to the park.

Where had she found the energy to sneak out like that?

The important thing is how we're going to sneak them out.

He could turn right or left, try to sneak out to the side.

You sneak out and leave them to be turned into whatever it is they are.

He will not sneak out in the middle of the night.

Then you were going to sneak out and sleep with him.

Maybe he could go to bed early, then sneak out after Mom went to sleep.