#geography depth
- Deep — Extending far downward beneath a reference surface (of water, pits, valleys) or far inward from an edge or opening; located at a considerable distance from the surface. As a neuter noun, it designates a profound place, a chasm, the abyss, or the depth of a body of water. Figuratively, it describes an intense feeling, a penetrating mind, a detailed philosophical analysis, or a state of deep sleep.