A river that descends steeply is often referred to as a "rapids" or "cataract." These terms describe areas where the river flows over rocks or uneven terrain, creating turbulent water and significant drops in elevation. In some contexts, particularly in mountainous regions, such a river may also be called a "torrent."
The Zambezi River
a waterfall
a waterfall.
mountain
a slip face
Steeply? a cliff maybe?
The Potomac River is located in 4 states. The river forms part of the borders between Washington, D.C. and Virginiaon the left descending bank and Maryland and Virginiaon the river's right descending bank
He saw the road rise steeply off into the distance.
The part of the ocean that steeply drops off is called the continental shelf.
descending
skiing
No, steep is not an adverb. This is an adjective and occasionally a verb.The adverb form is steeply.