Which part of speech startled?

"Startled" is a verb in its base form, meaning to surprise or frighten suddenly.

Here are some examples:

* The loud noise startled me. (past tense of the verb)

* I was startled by the sudden movement. (past participle used as adjective)

* The dog startled the cat. (present tense)

Let me know if you have any other words you'd like to identify!