* Noun: When referring to the genre of literature or drama, or a specific tragic event.
* Example: "Shakespeare's *Hamlet* is a classic tragedy."
* Example: "The fire was a tragedy for the family."
* Adjective: When describing something as tragic or sorrowful.
* Example: "The news was met with tragedy and despair."
* Interjection: When expressing a strong emotion like sadness or shock.
* Example: "Tragedy! The play was canceled."
To determine the part of speech, you need to look at the context of the sentence.