What part of speech is stuff?

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

* Noun: This is the most common use. It refers to things in general, often unspecific or undefined.

* Example: "I have so much stuff in my closet."

* Verb: This is less common, but it means "to fill or pack something tightly."

* Example: "We stuffed the suitcases with clothes."

* Adjective: This is also less common, but it means "boring, ordinary, or uninteresting."

* Example: "That's such a stuff movie."

So, the part of speech for "stuff" depends on the context. To determine its function, you need to look at how it's used in the sentence.