The door to the small room they were in opened slightly.

I looked toward the family room door as it was opened slightly.

The door was opened slightly and a dog came in.

The door opened slightly, only wide enough for a human body to pass through.

Then the door opened slightly, but he got it closed again.

It was opened slightly, so getting in wouldn't be a problem.

The door at the head of the stairs had opened slightly.

With the door opened only slightly, I kept close watch on the beast outside.

It opened slightly as he bent his face toward her.

His mouth opened slightly, as if her touch made him short of breath.