* Verb: It can be the present participle of the verb "to surge," meaning to rise or increase rapidly.
* Example: "The crowd was surging toward the stage."
* Adjective: It can describe something that is rising or increasing rapidly.
* Example: "The surging tide threatened to engulf the beach."
* Noun: It can be used as a noun to refer to a sudden increase or rise.
* Example: "The surging of the river caused widespread flooding."
Let me know if you have a specific sentence in mind and I can help you determine the part of speech for "surging" in that context.