The Idiom Attic - a collection of hundreds of English idioms, each one explained.
The meaning of "play devils advocate"
" Play Devil's advocate "
Meaning:
A person who takes a contrary position from the one being presented, either for the sake of argument or to test the validity of the opposing point of view.
Example:
I didn't really disagree with what he was saying but I decided to play devil's advocate just to get him to try to make a better case for it.
