Deepness

['di:pnis]

(noun.) a low pitch that is loud and voluminous.

(noun.) the quality of being physically deep; 'the profundity of the mine was almost a mile'.

Edited by Horace--From WordNet

(n.) The state or quality of being deep, profound, mysterious, secretive, etc.; depth; profundity; -- opposed to shallowness.

(n.) Craft; insidiousness.

Edited by Kelsey