What part of speech is injured?

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

* Adjective: Describing a noun. Example: "The injured athlete couldn't play."

* Verb (past participle): Used in a passive voice construction. Example: "The player was injured during the game."

* Verb (past tense): Describing a past action. Example: "The team injured their star player."

Let me know if you have a specific sentence in mind and I can tell you exactly what part of speech it is.