* Noun: This is the most common usage, meaning the state of being closed or completed, or a feeling of resolution or completeness.
* Example: "The therapist helped her find closure after the divorce."
* Verb: It can act as a verb meaning to close or shut something.
* Example: "The store closed early today."
* Adjective: While less common, it can function as an adjective meaning closed or shut.
* Example: "The closure of the factory led to job losses."
So, the part of speech for "closure" depends on its role in the sentence.