She 'played/acted dumb' [=pretended to know or understand less than she really did] so we would assign her the easier tasks.
She thinks television is contributing to the 'dumbing down' of America.
Cutting training programs will 'dumb down' the American workforce.
(..) who could've saved me was me. It's supposed to be some kind of irony. But Joey, you're gonna be fine. You don't need that show. It was just a dumb soap opera. This was the greatest thing that ever happened to me. Yes! I was going to incorporate that. Here's Monica. (..)1996 TvShow: Friends Title: The One Where Dr. Ramoray Dies Season: 2 Episode 18