startling

"Here are a few options, ordered from simplest to slightly more complex: 1. He was angry and started slamming doors. 2. She was upset and slamming pots and pans in the kitchen. 3. The wind was so strong it kept slamming the gate shut. "

"He raised his hand to make his announcement and said "Excuse me everyone, I have an announcement to make."

"Suddenly, the heavens opened and we all got drenched."

"Everyone in the class needs to bring their textbook to the first lecture. "

"The heavy rain was unexpected; we had planned a picnic in the park. "

"a horse that startles easily"

"It was a surprise to find out I owed twice as much as I thought I did."

"He was hoping that we would take him seriously."

"It surprises me that I owe twice as much as I thought I did."

"The loud bang from the construction site gave me several startles throughout the morning. "

"The security guard's apprehension of the suspicious package prevented a potential disaster. "

"Avery puts a sheet over her head, pretending to be a ghost to frighten Emily."