* Noun: This is the most common use, referring to the process of improving or developing over time.
* Example: "We've made significant progress on the project."
* Verb: This usage is less common but still valid. It means to move forward or develop.
* Example: "The company progressed steadily in the market."
* Adjective: This is also uncommon but possible, describing something that is moving forward or developing.
* Example: "We're happy with the progress being made."
So, to determine the part of speech, you need to look at how it's used in the sentence.