* Verb: This is the most common usage. It describes the action of plunging into water or other liquid.
* Example: "The diver dove into the pool."
* Noun: It can refer to the act of diving itself.
* Example: "The dive was spectacular."
* Adjective: It can describe something that's low or cheap, especially referring to a bar or restaurant.
* Example: "Let's go to a dive bar for a drink."
Let me know if you have a specific sentence in mind, and I can tell you the part of speech for "dive" in that context.