dumb (something) down

dumb (something) down

To make something less complicated to accommodate a less intelligent, educated, or sophisticated audience. The professor decided to dumb down the course material a bit after most of his class failed the first exam. I think we ought to dumb the play down a bit; after all, most of the people coming to see it won't have a PhD in drama.
See also: down, dumb

dumb down

v. Slang
To simplify something excessively in order to make it suitable for a less educated or less sophisticated audience: The researchers dumbed down the report before releasing it to the public.
See also: down, dumb