* Adjective: Describing something located in the west (e.g., "the west coast," "a west wind").
* Adverb: Indicating direction or position (e.g., "The sun sets in the west," "Turn west at the next corner").
* Noun: Referring to the western direction or region (e.g., "They traveled west," "The west is known for its rugged landscapes").
So, the answer depends on the context!