1) The sudden loud noise startler her awake.

2) The unexpected jump scare in the movie was a great startler.

3) He is known for being a prankster and startler among his friends.

4) The bright flash of lightning was a startler during the storm.

5) The intense music during the horror movie scene acted as a startler.

6) The car alarm going off in the middle of the night was a startler for the entire neighborhood.

7) The cat pouncing out of nowhere was a little startler for the unsuspecting dog.

8) The unexpected guest at the party was a startler for the hosts.

9) The sudden change in weather was a startler for hikers on the trail.

10) The haunting sound coming from the abandoned house was a startler for the curious teenagers.