* Verb: This is the most common use of the word. It means to blame someone for a crime or wrongdoing.
* Adjective: This usage describes someone who is being formally charged with a crime. For example, "The accused man pleaded not guilty."
* Noun: This usage refers to the person who is being accused of a crime. For example, "The accused was found guilty."
To determine the correct part of speech, you need to look at how the word is used in a sentence.