What part of speech is surprise?

"Surprise" can be a few different parts of speech, depending on how it's used in a sentence:

* Noun: When referring to the feeling or emotion itself.

* Example: "The birthday party was a complete surprise!"

* Verb: When describing the act of making someone feel surprised.

* Example: "I surprised my parents with a visit."

* Interjection: When expressing sudden surprise or astonishment.

* Example: "Surprise! It's me!"

Let me know if you have a specific sentence in mind and I can help you determine the part of speech for "surprise" in that context.