1. empty spaces or voids
Usage: formal
2. lack of substance, meaning, or intelligence; emptiness of thought or expression
Usage: formal

Examples

• The scientist studied the vacuities in the rock formation.
• The building’s design incorporated several vacuities for natural lighting.
• His speech was filled with vacuities rather than meaningful content.
• The critic pointed out the vacuities in the author’s argument.
• She grew tired of the vacuities in their conversation.
• The philosopher wrote about the vacuities of modern discourse.