* Adjective: Describing something that is not restricted or limited.
* Example: "He's a free spirit."
* Verb: To release from confinement or obligation.
* Example: "They freed the prisoners."
* Adverb: Without cost or payment.
* Example: "You can get a free coffee with this coupon."
To determine the part of speech, you need to consider the context in which the word is used.