👉 "cresting" is a noun that refers to the process of rising or rising rapidly from a lower point. It can also be used as an adjective, meaning that something is rising quickly and sharply. For example: 1. The river was cresting at a rapid pace. 2. His speech was very loud, so he seemed to be cresting quickly. So in summary, "cresting" refers to the process of rising rapidly from a lower point or being extremely loud.