What part of speech is empty?

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

* Adjective: Describing a noun, meaning lacking contents.

* Example: "The empty box was on the shelf."

* Verb: Meaning to remove contents, often used in the past tense.

* Example: "They emptied the trash can."

* Noun: Referring to a state of being without content.

* Example: "The empty of the room was unsettling."

Let me know if you have a specific sentence where you're trying to determine the part of speech, and I can help you analyze it!