depth

noun
  1. The distance from the top or surface to the bottom of something. noun
    The depth of the ocean is measured in meters.
    The pool has a depth of 10 feet at its deepest point.
  2. The quality of being intense or profound. noun
    The depth of his knowledge on the subject was impressive.
    She was moved by the depth of emotion in the performance.
  3. The complexity and intricacy of a subject or thought. noun
    The novel is known for the depth of its characters.
    The depth of the analysis provided new insights into the issue.
  4. The degree of thoroughness or completeness. noun
    The report was praised for its depth and accuracy.
    The depth of the investigation uncovered many hidden facts.
  5. A point far below the surface or far inside something. noun
    They explored the depths of the cave.
    The submarine descended into the depths of the sea.