Webster's Revised Unabridged Dictionary · 1913

Vacuity

Vacuity (vȧ*kū"i*ty) , noun

[Latin vacuitas. See Vacuous.]

1.
The quality or state of being vacuous, or not filled; emptiness; vacancy; as, vacuity of mind; vacuity of countenance.
Hunger is such a state of vacuity as to require a fresh supply of aliment. — Arbuthnot
2.
Space unfilled or unoccupied, or occupied with an invisible fluid only; emptiness; void; vacuum.
A vacuity is interspersed among the particles of matter. — Bentley
God... alone can answer all our longings and fill every vacuity of our soul. — Rogers
3.
Want of reality; inanity; nihility. [Rare]
Their expectations will meet with vacuity. — Glanvill