vacuous

Definitions

Having or showing a lack of thought or intelligence; mindless.

Empty; devoid of content, substance, or meaning.

Examples

The politician's speech was filled with vacuous promises that offered no real solutions to the city's problems.

She stared at the television with a vacuous expression, clearly not absorbing any of the information being presented.

Synonyms

empty blank inane vacant mindless vapid fatuous

Antonyms

intelligent meaningful full thoughtful sharp profound substantive