What part of speech is difficulty?

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

* Noun: When referring to the state of being hard or challenging.

* Example: "The difficulty of the task made me want to give up."

* Adjective: When describing something as hard or challenging.

* Example: "This is a difficulty problem." (Although it's more common to use "difficult" as the adjective)

Let me know if you have any other words you'd like help identifying the part of speech for!