Meaning of vacuity

va•cu•i•ty

1. the state of being vacuous or without contents; vacancy; emptiness: the vacuity of the open sea.
2. absence of thought or intelligence; inanity; blankness: a mind of undeniable vacuity.
3. a time or state of dullness, lacking in mental or physical action or productivity: the vacuity of modern existence.
4. an empty space; void: a vacuity in the earth formed by erosion.
5. absence or lack of something specified: a vacuity of feeling.
6. something inane, senseless, or stupid: conversation full of vacuities.
7. a vacuum.