dumb down Informal
Meaning: to make something like a movie or a novel easier to understand so more money can be made from it
- dumb down sth Ross used to work in telelvision, but he quit when he was told he had to dumb down the programs he was working on.
- dumb sth down Movie directors often say big studios dumb their movies down to sell more tickets.
If a movie has been dumbed down, it means it has been changed to make it