* Verb: When "shuttered" is used to describe something closing, it's the past tense of the verb "to shutter," meaning to close or obstruct something.
* Example: The store was shuttered after the pandemic.
* Adjective: It can also be used as an adjective to describe something that is closed or barred, usually with the implication of being closed permanently.
* Example: The shuttered factory stood as a reminder of lost jobs.
* Noun: Less common, but "shutter" can also be used as a noun, referring to a movable cover for a window or door.
* Example: The wind rattled the shutters against the house.
Therefore, "shuttered" in the context of your question is an adjective.