transmit the sensory impulse to the appropriate part of the brain or spinal cord for interpretation and processing; also known as association neurons.
depth. 1  the distance from the top downward, from the surface inward, or from front to back. 2  perspective, as in a painting. 3  the quality or condition of being deep; deepness; specif., 4  intensity, as of colors, silence, or emotion.
Wiktionary(1.00 / 1 vote)Rate this definition: 1  profound(Noun) The deep; the sea; the ocean. 2  profound(Noun) An abyss. 3  profound(Verb) To cause to sink deeply; to cause to dive or penetrate far down.  profound(Verb) To dive deeply; to 1  penetrate. profound(Adjective) Descending far below the surface; opening or reaching to a great depth; deep.