adj deprived of contents; not filled; empty; as, a vacant room.
2. vacant ·adj abandoned; having no heir, possessor, claimant, or occupier; as, a vacant estate.
3. vacant ·adj empty of thought; thoughtless; not occupied with study or reflection; as, a vacant mind.
4. vacant ·adj unengaged with business or care; unemployed; unoccupied; disengaged; free; as, vacant hours.
5. vacant ·adj not filled or occupied by an incumbent, possessor, or officer; as, a vacant throne; a vacant parish.