depth
noun
ˈdepth 
plural depths ˈdepths ˈdep(t)s
ˈdep(t)s 1
a(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 sense 1
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 —used in the phrase in depth
a study will be made in deptha subject being discussed in depth [=thoroughly, comprehensively]
compare in-depth 6
US, sports : the quality of having many good players
a team that lacks depth in the outfield
depthless
ˈdepth-ləs
adjective 
Synonyms
- deepness
- drop
See all Synonyms & Antonyms 
Example Sentences
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. See More
Recent Examples on the Web The family of six were originally due to set off in July 2020, and had planned an in-depth itinerary that involved traveling through Russia by land, and spending time in China. 
Tamara Hardingham-gill, CNN, 12 Sep. 2022 The World’s a Little Blurry, and John’s husband David Furnish — will feature unseen concert footage and more archival footage from throughout John’s long career, plus an in-depth look at his creative process and family life. Daniel Kreps, Rolling Stone, 11 Sep. 2022 Kiwi Farms, an online message board that was the subject of an in-depth NBC story late last week about the site’s ongoing culture of harassment and abuse, particularly against transgender people. Will Carless, USA TODAY, 9 Sep. 2022 Memorial adviser Russ Smith will give an overview of Cleveland’s historic Lake View Cemetery, along with an in-depth look at various burial rituals and practices. Rich Heileman, cleveland, 2 Sep. 2022 In her most in-depth and candid interview in years, Swift opened up to Rolling Stone in September 2019 about the time surrounding her infamous phone call with West. Grace Gavilanes, Peoplemag, 1 Sep. 2022 As a result, scientists responsible for a new study shared in the pre-publication server arXiv, wish to study it more in-depth. Joshua Hawkins, BGR, 30 Aug. 2022 Our registered dietitians appreciated the in-depth nutritional profile of the food, inspiration notes on each meal and macronutrient breakdowns. Amy Fischer Ms, Rd, Good Housekeeping, 26 Aug. 2022 In May, communications researchers at George Washington University published a story in Undark Magazine summarizing their in-depth interviews with science journalists about harassment from readers. Joan Meiners, The Arizona Republic, 24 Aug. 2022 See More
Tamara Hardingham-gill, CNN, 12 Sep. 2022 The World’s a Little Blurry, and John’s husband David Furnish — will feature unseen concert footage and more archival footage from throughout John’s long career, plus an in-depth look at his creative process and family life. Daniel Kreps, Rolling Stone, 11 Sep. 2022 Kiwi Farms, an online message board that was the subject of an in-depth NBC story late last week about the site’s ongoing culture of harassment and abuse, particularly against transgender people. Will Carless, USA TODAY, 9 Sep. 2022 Memorial adviser Russ Smith will give an overview of Cleveland’s historic Lake View Cemetery, along with an in-depth look at various burial rituals and practices. Rich Heileman, cleveland, 2 Sep. 2022 In her most in-depth and candid interview in years, Swift opened up to Rolling Stone in September 2019 about the time surrounding her infamous phone call with West. Grace Gavilanes, Peoplemag, 1 Sep. 2022 As a result, scientists responsible for a new study shared in the pre-publication server arXiv, wish to study it more in-depth. Joshua Hawkins, BGR, 30 Aug. 2022 Our registered dietitians appreciated the in-depth nutritional profile of the food, inspiration notes on each meal and macronutrient breakdowns. Amy Fischer Ms, Rd, Good Housekeeping, 26 Aug. 2022 In May, communications researchers at George Washington University published a story in Undark Magazine summarizing their in-depth interviews with science journalists about harassment from readers. Joan Meiners, The Arizona Republic, 24 Aug. 2022 See More Word History
Etymology
Middle English, from dep deep
First Known Use
14th century, in the meaning defined at sense 1a(1)
Phrases Containing depth
Kids Definition
depth
noun
ˈdepth
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
E. B. White, The Trumpet of the Swan5
: abundance, completeness
The speaker displayed a depth of knowledge.
Medical Definition
depth
noun
ˈdepth
plural depths ˈdepth ˈdep(t)s
ˈdep(t)s 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
depth
noun
1
as in deepness
distance measured from the top to the bottom of something be sure to check the depth of the water before diving off the dock Synonyms & Similar Words
Relevance
- deepness
- sounding
- drop
- lowness
- draft
Antonyms & Near Antonyms
- height
- shallowness
- elevation
- altitude
- stature
2
as in profundity
the quality of being great in extent (as of insight) the depth of the poet's understanding of human nature has given his works a timeless appeal Synonyms & Similar Words
- deepness
- profundity
- profoundness
- brilliance
- sensitivity
- perception
- wisdom
- perceptivity
- sense
- perceptiveness
- brightness
- sense
- penetration
- sensibility
- intelligence
- discernment
- acuity
- sagacity
- intellect
- wit
- percipience
- acuteness
- sapience
- sharpness
- perspicacity
- braininess
- smartness
- judgment
- reason
- keenness
- judgement
Antonyms & Near Antonyms
- superficiality
- shallowness
- stupidity
- idiocy
- imbecility
- irrationality
- mindlessness
- unreasonableness
- unsoundness
- simpleness
- illogic
- witlessness
- brainlessness
3
as in deep
the most intense or characteristic phase of something I was in the depths of profound thought when I was interrupted Synonyms & Similar Words
- deep
- middle
- midst
- height
- thick
- center
- heart
4
as in abyss
the lowest point or level the author describes how she slowly rose from the depth of her depression Synonyms & Similar Words
- abyss
- bottom
- zero
- bedrock
- pit
- nadir
- rock bottom
- armpit
Antonyms & Near Antonyms
- height
- top
- peak
- apex
- head
- pinnacle
- zenith
- summit
- crown
- climax
- meridian
- glory
- culmination
- acme
- flower
- bloom
- high
- high-water mark
- heyday
- tip-top
- ceiling
- roof
- flood tide
- crescendo
- cap
- crest
5
as in height
the most extreme or advanced point even in the depth of the Great Depression people never lost hope Synonyms & Similar Words
- height
- limit
- extremity
- ultimate
- consummation
- quintessence
- epitome