What part of speech is the word north?

"North" can be several parts of speech depending on how it's used in a sentence:

* Noun: When referring to the direction itself, "north" is a noun.

* Example: "We drove north for hours."

* Adjective: When describing something as being located in the north, "north" acts as an adjective.

* Example: "The north wind was cold."

* Adverb: When modifying a verb, adjective, or another adverb to indicate direction, "north" functions as an adverb.

* Example: "The birds flew north for the winter."

So, the part of speech depends on its function within the sentence.