What part of speech is reverse?

"Reverse" can be several parts of speech depending on how it's used in a sentence:

* Verb: To go in the opposite direction. (Example: "The car reversed into the driveway.")

* Noun: The opposite of something. (Example: "The reverse of black is white.")

* Adjective: Turned or facing in the opposite direction. (Example: "The car was in reverse gear.")

Let me know if you have a specific sentence in mind and I can help you determine the part of speech!