| n. | 1. | The state or quality of being deep, profound, mysterious, secretive, etc.; depth; profundity; - opposed to shallowness. |
| 2. | Craft; insidiousness. |
| Noun | 1. | deepness - the quality of being physically deep; "the profundity of the mine was almost a mile" Synonyms: profoundness, profundity Antonyms: 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 |