Emptiness, void space. Obsolete.

An empty space; a void, a vacuum. Also as a mass noun.

An empty place; a void. Obsolete. rare.

Absolute emptiness of space; complete absence of matter.

Emptiness of space; space unoccupied by matter. Now rare or Obsolete.

Empty or void space.

Emptiness, vacancy, vacuity, vacuum.

That which is inane, void, or empty; void or empty space; vacuity; the ‘formless void’ of infinite space.