unregistered
adj.adj. not having your name or details on an official list. You use this when someone has not signed up for a service or when a piece of equipment is not officially recorded.
adj. not officially recorded or entered on a list; lacking formal recognition or legal status. Often used in administrative, legal, or digital contexts to describe entities that have not completed a required sign-up process.
Unregistered users cannot post comments on this website.
The police impounded the vehicle because it was unregistered and lacked the necessary insurance documents.
The charity provides essential medical services to unregistered refugees who might otherwise avoid formal hospitals due to their lack of official documentation or fear of legal repercussions.
Typically used attributively before a noun or predicatively after a linking verb like 'be' or 'remain'.