#profundity

• Abyssalness / Abyssal quality — The state, quality, or character of being abyssal. It denotes the property of having immense depth, either in a physical sense (specific to oceanic trenches) or in a figurative sense (referring to the unbridgeable profundity of thought, inner feelings, or layers of the unconscious).
• Depth — The dimension of an object, cavity, or space measured vertically from top to bottom, from a reference surface to the floor or base; a considerable distance from the outer edge toward the interior of a medium. Figuratively, the term defines the intensity, depth, or thoroughness of a feeling, philosophical thought, or scientific analysis.