Is free a verb and noun?

You are correct! "Free" can function as both a verb and a noun.

Here's how:

Verb:

* Meaning: To release from confinement, obligation, or restraint.

* Example: "The prisoners were freed after years of imprisonment."

Noun:

* Meaning: The state of being without charge or cost.

* Example: "The museum offers free admission on Tuesdays."

So, depending on the context, "free" can have very different meanings!