A small, sudden noise frightened Catherine; then she realized it came from the living room.
The noise he had made had evidently frightened the owner of the voice.
"You'd think all the noise would have frightened him," Josh said, just as the tiger looked up from his deer.
A noise must have frightened the burglar away before he could slide his hand inside the hole in the window and reach the lock.
Also I learned to keep silent, since noise frightens game.
"The noise frightened the children," said a tall women with a number of missing teeth.
The noise frightens the horse so much that it dies of a heart attack.
The resulting noise, as the children later described it to her, had frightened them out of their wits.
Or would the noise of visitors frighten their quarry into precipitate action?
He said the noise apparently frightened the bear and it ran from the house through the broken glass door.