Words at Play : Top 10 Sophisticated Insults
Definition:
having or showing a lack of intelligence or serious thought : lacking meaning, importance, or substance
Example:
"Through booms and busts, profits and losses, the vacuous jargon and happy euphemisms of the business world endure." David Gillen and Will Storey, New York Times, October 24, 2013
About the Word:
Although the word's Latin ancestor, vacuus, means "empty," it has enriched our language: it gave us not only vacuous but also vacuum and evacuate.