What part of speech is mouthful?

"Mouthful" can be a few different parts of speech, depending on its usage:

* Noun: When referring to the amount of food that can be taken into the mouth at one time.

* Example: "He took a large mouthful of the stew."

* Adjective: When describing something as being full of words or difficult to say.

* Example: "That was a mouthful of a name!"

Therefore, "mouthful" is either a noun or an adjective.