What part of speech is the word primary?

The word "primary" can be several parts of speech depending on its function in a sentence:

* Adjective: Describing something as being of first importance or rank.

* Example: "The primary goal is to finish the project on time."

* Noun: Referring to something that is first in importance or sequence.

* Example: "The primary election will determine the party's nominee."

* Adverb: Modifying a verb, adjective, or other adverb, indicating something is primarily or mainly something.

* Example: "The students were primarily interested in the science experiment."

Therefore, to determine the correct part of speech, you need to examine how the word is used in a sentence.