What part of speech is public?

"Public" can be several parts of speech, depending on how it's used in a sentence:

* Adjective: Describing something that belongs to or relates to the people in general.

* Example: "The park is a public space."

* Noun: Referring to the people in general.

* Example: "The public was outraged by the news."

* Adverb: Meaning "openly" or "in a way that is known to everyone".

* Example: "He made his feelings public."

So, to determine the part of speech of "public," you need to look at how it's used in the sentence.