|n.||1.||The state or quality of being deep, profound, mysterious, secretive, etc.; depth; profundity; - opposed to shallowness.|
|Noun||1.||deepness - the quality of being physically deep; "the profundity of the mine was almost a mile"|
shallowness - the quality of lacking physical depth; "take into account the shallowness at that end of the pool before you dive"
|2.||deepness - a low pitch that is loud and voluminous|