I got startled when I went to my room and my brother jumped up in front of the door suddenly.
Startled is the verb in your sentence.
The startled deer zigzagged out of the underbrush and was gone in a flash.
I really was quite startled by the cheers of my team.
Surprised almost means the same as startled.
No. Startle is a verb. The adverb form is "startlingly."
You startled me, because I hadn't heard you come home.
He glanced over my shoulder with a startled expression.
Startled is the verb in your sentence.
A bittern is a bird. Here are some sentences.I saw a bittern by the lake.The booming of the bittern startled me.Bitterns have feathers.
The startled young colt ran for shelter under its mother.
Her appearance was horrible.The sudden appearance of the monster startled me.
The startled deer zigzagged out of the underbrush and was gone in a flash.
I really was quite startled by the cheers of my team.
The spelling is startled, as in The trick STARTLED him.
Surprised almost means the same as startled.
Jacob rounded the blind corner and bumped into Rachel, startling her, because she did not know that Jacob was in the building.
I was startled by a sudden noise.