depth

noun
\ ˈdepth How to pronounce depth (audio) \
plural depths\ ˈdepths How to pronounce depths (audio) , ˈdep(t)s How to pronounce depths (audio) \

Definition of depth

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
b(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 (such as a season) the depths of winter
(3) : the worst part the depths of the depression

2 mathematics

a : the perpendicular (see perpendicular entry 1 sense 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 US, sports : the quality of having many good players a team that lacks depth in the outfield
beyond one's depth or out of one's depth
: beyond the limits of one's capabilities an actor who is out of his depth in serious drama

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Other Words from depth

depthless \ ˈdepth-​ləs How to pronounce depthless (audio) \ adjective

Synonyms for depth

Synonyms

deepness, drop

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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.
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Recent Examples on the Web

Its label as a Schedule 1 drug by the federal government previously prevented any such in-depth analysis, Jepsen said. Shannon Larson, courant.com, "UConn to roll out online cannabis course this summer, the first of its kind in the nation," 17 June 2019 Want access to the best analysis and in-depth reporting about Alabama each week? al.com, "GOP Senate candidates all about everything, except Alabama," 17 June 2019 Each team receives an in-depth breakdown of position-by-position, Phil’s forecast of the season, projected starting lineup and analysis of team schedules along with statistical leaders. Matt Murschel, orlandosentinel.com, "Most college football preview magazines rank UCF in top 25, project Clemson, Alabama title tilt rematch," 17 June 2019 About 80,000 metric tons of nuclear waste have been stored at 72 private locations across the nation, enough to cover a football field to a depth of about 66 feet, according to the Government Accountability Office. Will Wade, latimes.com, "Americans are paying more than ever to store deadly nuclear waste," 14 June 2019 The object is estimated to weigh at least 2.18 quintillion kilograms (10 to the 18th power), and extend to depths of more than 300 kilometers. Martin Finucane, BostonGlobe.com, "What is that mysterious mass under the huge crater on the dark side of the moon?," 13 June 2019 The instruments are mounted on a low-flying plane and together make up the Global Airborne Observatory, which effectively can peel back the seawater and map the seafloor to a depth of 50 feet, in three dimensions. Paul Tullis, New York Times, "To Map a Coral Reef, Peel Back the Seawater," 10 June 2019 The Frē series waterproof case will keep a phone dry to a depth of 6.6 feet, as well as protect it from a 6.6 foot drop. Popular Mechanics Editors, Popular Mechanics, "31 Great Gifts for Father’s Day 2019," 5 June 2019 Plastics created and then discarded by humans are washing up on beaches worldwide, as well as sinking to the deepest depths of the oceans — threatening fish, birds, turtles and other wildlife, according to researchers. Nicole Winfield, sacbee, "Volcano created new Hawaii beach in 2018. It’s already covered in plastic, experts say," 4 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'depth.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of depth

14th century, in the meaning defined at sense 1a(1)

History and Etymology for depth

Middle English, from dep deep

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More Definitions for depth

depth

noun

English Language Learners Definition of depth

: a distance below a surface
: the distance from the front of something to the back
: an area that exists far below a surface or far inside something : a deep place or area

depth

noun
\ ˈdepth How to pronounce depth (audio) \

Kids Definition of depth

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 sense 2 a depth of color No one can imagine the … depth of our emotion …— E. B. White, The Trumpet of the Swan
5 : abundance, completeness The speaker displayed a depth of knowledge.

depth

noun
\ ˈdepth How to pronounce depth (audio) \
plural depths\ ˈdepth How to pronounce depths (audio) , ˈdep(t)s How to pronounce depths (audio) \

Medical Definition of depth

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

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More from Merriam-Webster on depth

Thesaurus: All synonyms and antonyms for depth

Spanish Central: Translation of depth

Nglish: Translation of depth for Spanish Speakers

Britannica English: Translation of depth for Arabic Speakers

Britannica.com: Encyclopedia article about depth

Comments on depth

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