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Noun: deepness  deep-nus
  1. The intellectual ability to penetrate deeply into ideas
    - astuteness, profundity, profoundness, depth
  2. The quality of being physically deep
    "the deepness of the mine was almost a mile";
    - profundity, profoundness
  3. The extent downward, backward or inward
    "the deepness of the water";
    - depth
  4. A low pitch that is loud and voluminous

See also: deep, shallow

Type of: extent, low frequency, low pitch, sapience, wisdom

Encyclopedia: Deepness