What is Vacant?

Vacant definition and meaning on Dictionary terms:
having no contents; empty; void: a vacant niche.
having no occupant; unoccupied: no vacant seats on this train.
not in use: a vacant room.
devoid of thought or reflection: a vacant mind.
characterized by, showing, or proceeding from lack of thought or intelligence: a vacant answer; a vacant expression on a face.
not occupied by an incumbent, official, or the like, as a benefice or office.

free from work, business, activity, etc.: vacant hours.
characterized by or proceeding from absence of occupation: a vacant life.
devoid or destitute (often followed by of): He was vacant of human sympathy.
Law. having no tenant and devoid of furniture, fixtures, etc. (distinguished from unoccupied): a vacant house. idle or unutilized; open to any claimant, as land. without an incumbent; having no heir or claimant; abandoned: a vacant estate.