What is the meaning of idiom real

"Real" is not typically considered an idiom. It's a simple adjective meaning authentic, genuine, or true.

However, you might be thinking of the idiom "for real," which is used to emphasize that something is genuine, true, or serious.

Here's how it's used:

* "Are you really going to eat that whole pizza?"

* "Yeah, for real. I'm starving."

If you're looking for a specific idiom that uses the word "real," please provide more context or the specific phrase you're interested in.