Devil's advocate

Meaning

Someone who argues against a popular position just to test the strength of the argument or to see if there are flaws. It is not about being mean, but about being thorough.

Analytical, inquisitive

Used in a sentence

• I am just playing devil's advocate here, but have we considered the budget implications?
• She likes to play devil's advocate to keep the discussion lively.
• Do not get mad, I am only playing devil's advocate to help us see the other side.