“Play dumb”: idiom meaning.

Play dumb
Pretend you don’t know about something. If you “play dumb” you know about something but you don’t want other people to know that you know!;)

Other examples of “play dumb” idiom in a sentence

  • I’m going to play dumb and pretend I don’t know.
  • He doesn’t know you told me so I’m going to play dumb.
  • Don’t play dumb! You know all about it!

“Play dumb”: use in context explanation

Jane’s friend, Tara, is crying because she’s having problems with her ex boyfriend. Jane has told her husband all about it even if the friend had asked her not to tell anyone. Tara can’t find out that Jane didn’t keep her secret. Richard has to play dumb and pretend he doesn’t know about anything.