What part of speech is abuse?

"Abuse" can be several parts of speech depending on how it's used in a sentence:

* Noun: When it refers to the act of mistreatment.

* Example: "The child suffered from physical abuse."

* Verb: When it refers to the act of mistreating someone or something.

* Example: "He abused his power."

* Adjective: When it describes something that is harmful or improper.

* Example: "That's an abusive relationship."

To determine the part of speech, you need to look at the context of the sentence.