uncerebric
/ˌʌnsɪˈbrɪk/Definitions
1. adjective
Lacking brains or intellectual power; dull or stupid.
“The politician’s uncerebric answer to the complex question left many in the audience bewildered.”
2. noun
A person who is lacking in brains or intellectual power; a dull or stupid person.
“The uncerebric behavior of the crowd was a stark contrast to the sophisticated art exhibit.”