What kind of part speech is new?

"New" can be several parts of speech, depending on its function in a sentence:

* Adjective: Describing a noun. Example: "I bought a new car."

* Noun: Referring to something that is fresh or recent. Example: "This is the new me."

* Adverb: Modifying a verb, adjective, or another adverb. Example: "He's new in town."

It's important to look at the context to determine the part of speech.