adjective
- showing a lack of thought or intelligence; empty of meaning or substance
- containing nothing; empty
Usage: formal; technical
Examples
- The politician’s vacuous speech failed to address any real issues.
- She gave him a vacuous stare, clearly not understanding the question.
- The movie was criticized for its vacuous plot and shallow characters.
- His vacuous comments added nothing to the discussion.
- The container was completely vacuous after the gas was removed.
- Her vacuous smile suggested she wasn’t really listening.