What part of speech is the word alien?

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

* Adjective: Describing something as foreign, strange, or not belonging.

* Example: "The alien landscape was unlike anything she'd ever seen."

* Noun: Referring to a being from another planet or a person who is foreign or strange.

* Example: "The movie featured an alien invasion."

* Verb: Meaning to make someone feel estranged or uncomfortable.

* Example: "The new rules alienated many of the employees."

Let me know if you'd like examples of how "alien" functions in these different ways.