What part of speech is kind?

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

* Adjective: Describes a noun. Example: "She is a kind person."

* Noun: Refers to a type of person or thing. Example: "He showed kindness to the animals."

* Adverb: Modifies a verb, adjective, or another adverb. Example: "Treat others kindly."

So, the part of speech of "kind" depends on its context in the sentence.