Of a seat, saddle, etc.: having no occupant; in which no one is sitting, lying, etc.; empty.

Of a place (a house, geographical area, room, seat, etc.): not occupied, empty, not in use; uninhabited. Formerly also: †(of land) uncultivated…

Of a place or position: empty, vacant, unoccupied.

without of: Void, empty. rare.

Devoid of an occupant; not taken up by any one. Also figurative.

Unfilled, unoccupied, clean. Obsolete. rare.

Not encroached upon.