Not occupied; empty. / Showing no intelligence or interest.

Emptiness.

An unused area of land in an urban area (not built, not a farm, not a park).

plural of vacant lot

(UK)

In a vacant manner; inanely or foolishly.

(UK, law) The principle that there is no unowned property, and that if there is no other owner then property vests in the Crown.

plural of Vacanti

A surname from Italian.