Definition of depth
depthsplay \ˈdepths, ˈdep(t)s\
1a (1) : a deep place in a body of water <fish living at great depths> (2) : a part that is far from the outside or surface <the depths of the woods> (3) : abyss 1b (1) : a profound or intense state (as of thought or feeling) <the depths of sorrow>; also : a reprehensibly low condition <hadn't realized that standards had fallen to such depths> (2) : the middle of a time (as a season) <the depths of winter> (3) : the worst part <the depths of the depression>
2 mathematics a : the perpendicular (see 1perpendicular 1b) measurement downward from a surface <the depth of a swimming pool>b : the direct linear measurement from front to back <the depth of a bookshelf>
3 : the quality of being deep <the depth of the pass>
4 : the degree of intensity <depth of a color>; also : the quality of being profound (as in insight) or full (as of knowledge) <the depth of her experience>
5 : the quality or state of being complete or thorough <a study will be made in depth>
6 : a large number of good players <a team that lacks depth in the outfield>
depthlessplay \ˈdepth-ləs\ adjective
beyond one's depthor
out of one's depth
: beyond the limits of one's capabilities <an actor who is out of his depth in serious drama>
Examples of depth in a sentence
These fish typically live at depths of 500 feet or more.
Students will test the temperature of the water at different depths.
The boat sank to a depth of several hundred feet.
measuring the depth of the water
the depth of a hole
The pool has a depth of 12 feet.
I began working at the factory during the depth of the Depression.
Origin and Etymology of depth
Middle English, from dep deep
First Known Use: 14th century
DEPTH Defined for Kids
Definition of depth for Students
1 : measurement from top to bottom or from front to back <a cupboard's depth>
2 : a place far below a surface or far inside something (as a sea or a forest) <Some unusual fish live at great depths.>
3 : the middle of time <the depth of winter>
4 : intensity 2 <a depth of color> <No one can imagine the … depth of our emotion … — E. B. White, The Trumpet of the Swan>
Medical Definition of depth
depths\ˈdepth, ˈdep(t)s\play play
1: the distance between upper and lower or between dorsal and ventral points of a body
2: the quality of a state of consciousness, a bodily state, or a physiological function of being intense or complete <the depth of anesthesia> <the depth of respiration>
Seen and Heard
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