vacant

vacant
    adj 1: void of thought or knowledge; "a vacant mind"
    2: without an occupant or incumbent; "the throne is never
       vacant"
    

Vacant \Va"cant\, a. [F., fr. L. vacans, -antis, p. pr. of
   vacare to be empty, to be free or unoccupied, to have
   leisure, also vocare; akin to vacuus empty, and probably to
   E. void. Cf. {Evacuate}, {Void}, a.]
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   1. Deprived of contents; not filled; empty; as, a vacant
      room.
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            Stuffs out his vacant garments with his form.
                                                  --Shak.
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            Being of those virtues vacant.        --Shak.
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            There is no fireside, howsoe'er defended,
            But has one vacant chair.             --Longfellow.
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   2. Unengaged with business or care; unemployed; unoccupied;
      disengaged; free; as, vacant hours.
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            Religion is the interest of all; but philosophy of
            those . . . at leisure, and vacant from the affairs
            of the world.                         --Dr. H. More.
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            There was not a minute of the day which he left
            vacant.                               --Bp. Fell.
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   3. Not filled or occupied by an incumbent, possessor, or
      officer; unoccupied; as, a vacant throne; a vacant house;
      a vacant apartment; a vacant parish.
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            Special dignities which vacant lie
            For thy best use and wearing.         --Shak.
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   4. Empty of thought; thoughtless; not occupied with study or
      reflection; as, a vacant mind.
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            The duke had a pleasant and vacant face. --Sir H.
                                                  Wotton.
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            When on my couch I lie
            In vacant or in pensive mood.         --Wordsworth.
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   5. (Law) Abandoned; having no heir, possessor, claimant, or
      occupier; as, a vacant estate. --Bouvier.
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   {Vacant succession} (Law), one that is claimed by no person,
      or where all the heirs are unknown, or where all the known
      heirs to it have renounced it. --Burrill.
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   Syn: Empty; void; devoid; free; unemployed; disengaged;
        unincumbered; uncrowded; idle.

   Usage: {Vacant}, {Empty}. A thing is empty when there is
          nothing in it; as, an empty room, or an empty noddle.
          Vacant adds the idea of having been previously filled,
          or intended to be filled or occupied; as, a vacant
          seat at table; a vacant office; vacant hours. When we
          speak of a vacant look or a vacant mind, we imply the
          absence of the intelligence naturally to be expected
          there.
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84 Moby Thesaurus words for "vacant":
      abandoned, absent-minded, available, bare, barren, bland, blank,
      blankminded, bleached, calm, characterless, clear, deadpan,
      deserted, devoid, dull, empty, empty-headed, empty-minded,
      empty-pated, empty-skulled, expressionless, extra, fatuous,
      featureless, fishy, forsaken, free, glassy, godforsaken, hollow,
      idle, impassive, inane, incogitant, inexpressive, insipid, jejune,
      nirvanic, null, null and void, oblivious, open, passive,
      poker-faced, quietistic, rattlebrained, rattleheaded, relaxed,
      scatterbrained, spare, stark, tenantless, thoughtfree, thoughtless,
      tranquil, unaware, uncomprehending, unengaged, unexpressive,
      unfilled, unideaed, uninhabited, unintellectual, unmanned,
      unoccupied, unpeopled, unpopulated, unreasoning, unrelieved,
      unstaffed, untaken, untenanted, untended, unthinking, unused,
      unutilized, vacuous, vapid, void, white, with nothing inside,
      without content, wooden