devil's advocate

noun
     
devil's advocate [countable]
someone who pretends to disagree with you in order to have a good discussion about something:
He would play devil's advocate with anyone.

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.