without contents; empty: the vacuous air.
lacking in ideas or intelligence: a vacuous mind.
expressing or characterized by a lack of ideas or intelligence; inane; stupid: a vacuous book.
purposeless; idle: a vacuous way of life.
- vac·u·ous·ly, adverb
- vac·u·ous·ness, noun
- non·vac·u·ous, adjective
- non·vac·u·ous·ly, adverb
- non·vac·u·ous·ness, noun
- un·vac·u·ous, adjective
- un·vac·u·ous·ly, adverb
- un·vac·u·ous·ness, noun
- vacant, vacuous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use vacuous in a sentence
The Daily Telegraph's Lisa Armstrong called the show a "stupendously vacuous enterprise."Kanye West and Kim Kardashian’s Balmain Campaign: High Fashion Meets Low Culture | Amy Zimmerman | December 23, 2014 | THE DAILY BEAST
In the tape, the bull looks bored, wearing that peculiarly vacuous expression that only cows and bulls can know.
Smith speaks with perfect articulation and a vacuous undertone laces her words.
The assumption that feminism comes in a neat, Xeroxable package is gravely outmoded and vacuous.Despite What You May Think, Miley Cyrus and Rihanna Are Feminists | Rawiya Kameir | November 21, 2013 | THE DAILY BEAST
Speaking of Daisy, Mulligan does as elegant a job as possible portraying such a vacuous character.The Great Gatsby, Starring Leonardo DiCaprio, Is a Relentless Assault on the Senses | Marlow Stern | May 8, 2013 | THE DAILY BEAST
"It comes to this," drawled Average Jones intently, looking the employee between his vacuous eyes.Average Jones | Samuel Hopkins Adams
Gossip must often have been likened to the winged insect bearing pollen to the flowers; it fertilizes many a vacuous reverie.Lord Ormont and his Aminta, Complete | George Meredith
Lady Mary smiled at this vacuous repetition, but her mother went into a great rage, opening her old jaws like a maddened horse.The O'Ruddy | Stephen Crane
She submitted to the other's will like a tired child, dropping into a chair and eyeing him with a vacuous expression.The Substitute Prisoner | Max Marcin
She knew neither of them, and they were immature boys, with the empty and vacuous faces of almost degenerate illiteracy.A Pagan of the Hills | Charles Neville Buck
British Dictionary definitions for vacuous
containing nothing; empty
bereft of ideas or intelligence; mindless
characterized by or resulting from vacancy of mind: a vacuous gaze
indulging in no useful mental or physical activity; idle
logic maths (of an operator or expression) having no import; idle: in (x) (John is tall) the quantifier (x) is vacuous
- vacuously, adverb
- vacuousness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012