What is the meaning of idiom no

The idiom "no" by itself doesn't really have a specific meaning. It's a simple word that acts as a negative response, meaning "not" or "not so."

Here's how it's used:

* Direct Response: "Do you want a cookie?" "No."

* Refusal: "Can I borrow your car?" "No."

* Disagreement: "The sky is blue." "No, it's grey."

Possible Misunderstandings:

You might be thinking of an idiom that uses "no" as part of a larger phrase. Here are some possibilities:

* "No way!": Expresses strong disagreement or disbelief.

* "No dice": Means "no, I won't do that" or "that won't work."

* "No sweat": Means "no problem" or "it's easy."

If you can provide more context about where you encountered the phrase "no," I might be able to give a more specific answer.