noun, plural va·cu·i·ties.
- the state of being vacuous or without contents; vacancy; emptiness: the vacuity of the open sea.
- absence of thought or intelligence; inanity; blankness: a mind of undeniable vacuity.
- a time or state of dullness, lacking in mental or physical action or productivity: the vacuity of modern existence.
- an empty space; void: a vacuity in the earth formed by erosion.
- absence or lack of something specified: a vacuity of feeling.
- something inane, senseless, or stupid: conversation full of vacuities.
- a vacuum.
noun plural -ties
- the state or quality of being vacuous; emptiness
- an empty space or void; vacuum
- a lack or absence of something specifieda vacuity of wind
- lack of normal intelligence or awareness; vacancyhis stare gave an impression of complete vacuity
- something, such as a statement, saying, etc, that is inane or pointless
- (in customs terminology) the difference in volume between the actual contents of a container and its full capacity
late 14c., “hollow space,” from Latin vacuitas “empty space, vacancy, freedom,” from vacuus “empty” (see vacuum). Originally in anatomy. Meaning “vacancy of mind or thought” is attested from 1590s.