vacuous \VAK-yoo-uhs\, adjective:
1. showing no intelligence or thought
2. having no meaning or direction; empty
I've known very few people who were vacuous.
I'm glad of that. I think people like that would be hard to deal with. They would have no sense of humor.
I haven't read anything that I can remember that had a vacuous character. They would have not depth. The only role they could play would be comedy relief, but I don't think they would be funny. It would be sad to be devoid of intelligence.
Not that I'm a rocket scientist, but I held my own in school.
How do you deal with someone who you consider vacuous?