What part of speech is plenty?

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

* Adjective: Describing a large quantity of something.

* Example: "We have plenty of time to get there."

* Noun: Meaning a large amount or a sufficient quantity.

* Example: "There's plenty to eat at the party."

* Adverb: Meaning "sufficiently" or "very much."

* Example: "We've had plenty of rain this year."

The part of speech will depend on the context of the sentence.