\ ˈdēp How to pronounce deep (audio) \

Definition of deep

 (Entry 1 of 3)

1 : extending far from some surface or area: such as
a : extending far downward a deep well a deep chasm
b(1) : extending well inward from an outer surface a deep gash a deep-chested animal
(2) : not located superficially within the body deep pressure receptors in muscles
c : extending well back from a surface accepted as front a deep closet
d : extending far laterally from the center deep borders of lace
e sports : occurring or located near the outer limits of the playing area hit to deep right field
f sports : thrown or hit for a considerable distance : thrown or hit deep (see deep entry 2 sense 3b) a deep pass a deep fly ball
2 : having a specified extension in an implied direction usually downward or backward a shelf 20 inches deep cars parked three-deep
3a : difficult to penetrate or comprehend : recondite deep mathematical problems deep discussions on the meaning of life
b : mysterious, obscure a deep dark secret
c : grave or lamentable in nature or effect in deepest disgrace
d : of penetrating intellect : wise a deep thinker
e : intensely engrossed or immersed she was deep in her book
f : characterized by profundity of feeling or quality a deep sleep also : deep-seated deep religious beliefs
4a of color : high in saturation and low in lightness a deep red
b : having a low musical pitch (see pitch entry 4 sense 4b) or pitch range a deep voice
5a : situated well within the boundaries a house deep in the woods
b : remote in time or space found deep in rural England
c : being below the level of consciousness deep neuroses
d : covered, enclosed, or filled to a specified degree usually used in combinationankle-deep in mud
6 : large deep discounts
7 : having many good players a deep bullpen
in deep water
: in difficulty or distress



Definition of deep (Entry 2 of 3)

1 : to a great depth : deeply still waters run deep tunneled deep into the earth
2 : far on : late danced deep into the night
3 sports
a : near the outer limits of the playing area the shortstop was playing deep
b : long sense 6 threw deep to the wide receiver hit the ball deep to right field



Definition of deep (Entry 3 of 3)

1a : a vast or immeasurable extent : abyss
b(1) : the extent of surrounding space or time the azure deep
(2) nautical : ocean the briny deep
2 : any of the deep portions of a body of water specifically : a generally long and narrow area in the ocean where the depth exceeds 3000 fathoms (5500 meters) the Aldrich Deep in the south Pacific
3 : the middle or most intense part in the deep of winter
4 nautical : any of the fathom points on a sounding line other than the marks (see mark entry 1 sense 2b)

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Other Words from deep


deeply adverb
deepness noun

Synonyms & Antonyms for deep

Synonyms: Adjective

Synonyms: Noun

Antonyms: Adjective

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Choose the Right Synonym for deep


broad, wide, deep mean having horizontal extent. broad and wide apply to a surface measured or viewed from side to side. a broad avenue wide is more common when units of measurement are mentioned rugs eight feet wide or applied to unfilled space between limits. a wide doorway broad is preferred when full horizontal extent is considered. broad shoulders deep may indicate horizontal extent away from the observer or from a front or peripheral point. a deep cupboard deep woods

Examples of deep in a Sentence

Adjective We walked in the deep snow. a deep valley between the mountains The water is deepest in the middle of the lake. She's afraid of swimming in deep water. a plant with deep roots The house has lots of deep closets. She has a small but deep wound on her arm. This enormous canyon is over a mile deep. The shelves are 10 inches deep. He stepped into an ankle-deep puddle of mud. Adverb The ship now lies deep below the water's surface. Our feet sank deeper into the mud. The treasure was buried deep within the ground. Their secret offices were located deep underground. We walked deep into the forest. The soldiers are operating deep within enemy territory. I stood three feet deep in the water. He stepped ankle-deep into a puddle of mud. Noun the kind of cold weather that we usually have only in the deep of winter sailors exploring the farther reaches of the briny deep
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Recent Examples on the Web: Adjective After two of her co-workers were thought to be infected, the store closed briefly, for a deep cleaning. Michael Schulman, The New Yorker, "The Bushwick House Share Was a Haven—Then COVID-19 Struck," 25 May 2020 Goldman Sachs is forecasting the deepest recession ever, with the economy shrinking by an annualized 45% in the second quarter before rebounding in the third quarter. Dhwani Pandya, Bloomberg.com, "Unlike China, India Oil Demand Stays Weak as Economy Falters," 24 May 2020 Nearly 600 workers at a Tyson chicken plant in North Carolina tested positive for COVID-19 after the plant reopened following a deep cleaning. Jordan Freiman, CBS News, "Washington state's Clark County delays phase 2 reopening after coronavirus outbreak at food processing plant," 23 May 2020 The stream of layoffs reflects an economy gripped by the deepest recession since the Great Depression. Dom Difurio, Dallas News, "Texas unemployment rises to 12.8% in April as state loses more than 1 million jobs," 22 May 2020 Amid the misery wrought by the pandemic and a deep recession, Oregon colleges are handing out a little happiness -- in $3,000 increments. oregonlive, "Oregon colleges want to give struggling students $116 million courtesy of Donald Trump," 21 May 2020 There are two deep cleanings a day of the facility. Sarah Hauer, Milwaukee Journal Sentinel, "Wisconsin gyms reopen with capacity limits and disinfectant," 21 May 2020 Terra Nova, which once stayed open late and sometimes on weekends, now holds regular hours only on Monday through Wednesday, allowing time for a weekly deep cleaning of the office and reducing the staff’s exposure. Matthias Gafni, San Francisco Chronicle, "He treats Oakland's vulnerable. Now, his future is on the line," 21 May 2020 Work on the stadium was briefly shut down over the weekend for a deep cleaning, according to a statement the firm provided to The Tuscaloosa News, but workers were present on the job site on Monday. Joseph Goodman | Jgoodman@al.com, al, "Coronavirus cluster slows construction at Bryant-Denny Stadium," 20 May 2020 Recent Examples on the Web: Adverb Prepare for relievers aplenty: Until further notice, starters won’t get deep into games. John Shea, SFChronicle.com, "Giants Splash: 5 key elements to a spring training II," 27 May 2020 The episode dives deep into flashbacks that unpack the missing decade (!) that Octavia and Diyoza (Ivana Milicevic) spent on a new planet after going through the anomaly wormhole, and how that timeline is even possible. Sydney Bucksbaum, EW.com, "Marie Avgeropoulos promises The 100 will give Octavia the ending she deserves," 26 May 2020 Spaceship Earth delves deep into the roots of the project, going back to the 1960s, when John Allen and several cohorts (some would later deem them cultish followers) moved from San Francisco to New Mexico and founded a commune called Synerga Ranch. Jennifer Ouellette, Ars Technica, "Review: Revisit the controversial Biosphere 2 project with Spaceship Earth," 25 May 2020 All law enforcement officers have a great deal of discretion, but the power of sheriffs in particular stretches deep into American history, to the end of the Civil War and the settling of the frontier. Maurice Chammah, USA TODAY, "Anti-lockdown sheriffs call on constituent power to push back on coronavirus restrictions," 24 May 2020 With wildfire smoke, the respiratory risk is due to its particulate matter, a form of charred plant material that’s small enough to penetrate deep into the lungs. Matt Simon, Wired, "Will Wildfire Smoke Worsen the Pandemic? We're About to Find Out," 22 May 2020 And, in keeping with their image, TWICE’s most iconic songs are soaring, shimmering pop tracks that burrow deep into your ears. Natalie Morin, refinery29.com, "TWICE Just Want To Make You Happy," 21 May 2020 On the other hand, Microsoft has been quite good about diving deep into niche applications and filling them. Mark Hachman, PCWorld, "Why Cortana won't be at Microsoft Build," 19 May 2020 They're designed to penetrate deep into your skin to treat inflamed zits, calm redness from healing breakouts, and lessen the appearance of fine lines. Sarah Wu, Glamour, "The Dr. Dennis Gross LED Mask Is Why I Have Great Skin," 19 May 2020 Recent Examples on the Web: Noun At the Whole Foods in Detroit — on Mack just east of Woodward — a line formed out the front door, around the northwest corner of the building, and stretched back 20 deep. Shawn Windsor, Detroit Free Press, "Are Michiganders ditching their face masks? I took a drive to find out," 25 May 2020 But years of watching the parade of old cars roll by their seats, nose-deep in the program to further his quest of memorizing all 103 race-winners, took on a new form in 2019. Nathan Brown, The Indianapolis Star, "Without an Indy 500 in May, longtime fans grapple with emotions: It doesn't feel like May," 22 May 2020 Five oceans, five deeps—a journey around the world and to both poles. Ben Taub, The New Yorker, "Thirty-six Thousand Feet," 10 May 2020 Here’s a quick look at how any potential preseason two-deep could shape up. Zach Osterman, Indianapolis Star, "Here's an early look at IU football's 2020 offensive depth chart," 16 Apr. 2020 Previously, deep cleans were done on a never basis. Laura Lane, The New Yorker, "Your Yoga Studio’s Updated Practices in Response to COVID-19," 14 Mar. 2020 Spenser Confidential follows an ex-cop (Mark Wahlberg) who finds himself at the center of a deep rooted corruption ring after his five-year bid in prison. Ineye Komonibo, refinery29.com, "How Spenser Confidential‘s Winston Duke Is Defying Hollywood Stereotypes," 9 Mar. 2020 Meeting with the media this week before the start of UTSA’s spring practice March 17, Nix carried a sheet of paper with a mock-up of his two-deep at every position in his 3-4 base. Greg Luca, ExpressNews.com, "UTSA coaches outline new schemes on offense, defense as Roadrunners prepare for spring," 4 Mar. 2020 So Jo chose the Elkay extra-deep Circuit Chef Sink (and accompanying Bridge Faucet), which comes with swap-in strainers that both make prep work and cleanup easier and hide the mess inside. Hadley Keller, House Beautiful, "See How Our Editor Jo Saltz Turned a Dated Kitchen Into a Functional Family Hub," 19 Feb. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'deep.' 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 deep


before the 12th century, in the meaning defined at sense 1


before the 12th century, in the meaning defined at sense 1


before the 12th century, in the meaning defined at sense 1a

History and Etymology for deep

Adjective, Adverb, and Noun

Middle English dep, from Old English dēop; akin to Old High German tiof deep, Old English dyppan to dip — more at dip

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Time Traveler for deep

Time Traveler

The first known use of deep was before the 12th century

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Statistics for deep

Last Updated

29 May 2020

Cite this Entry

“Deep.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deep. Accessed 2 Jun. 2020.

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More Definitions for deep

How to pronounce deep (audio)

English Language Learners Definition of deep

 (Entry 1 of 2)

: having a large distance to the bottom from the surface or highest point
: going far inward from the outside or the front edge of something
: located far inside something



English Language Learners Definition of deep (Entry 2 of 2)

: far into or below the surface of something
: far into or inside something
: at a specified measurement downward, inward, or backward
\ ˈdēp How to pronounce deep (audio) \
deeper; deepest

Kids Definition of deep

 (Entry 1 of 3)

1 : reaching far down below the surface
2 : reaching far inward or back from the front or outer part a deep cut a deep closet
3 : located well below the surface or well within the boundaries of deep in the ground
4 : coming from well within a deep sigh
5 : completely absorbed deep in thought
6 : hard to understand This story is too deep for me.
7 : mysterious a deep, dark secret
8 : extreme in degree : heavy a deep sleep
9 : dark and rich in color a deep red
10 : low in tone a deep voice

Other Words from deep

deeply adverb


deeper; deepest

Kids Definition of deep (Entry 2 of 3)

1 : to a great depth : deeply
2 : late entry 2 sense 1 She read deep into the night.



Kids Definition of deep (Entry 3 of 3)

1 : a very deep place or part the ocean deeps
2 : ocean sense 1 Pirates sailed the briny deep.
3 : the middle or most intense part the deep of winter
\ ˈdēp How to pronounce deep (audio) \

Medical Definition of deep

1a : extending well inward from an outer surface a deep gash
b(1) : not located superficially within the body or one of its parts deep pressure receptors in muscles
(2) : resulting from or involving stimulation of deep structures deep pain deep reflexes
2 : being below the level of the conscious deep neuroses

Other Words from deep

deeply adverb

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More from Merriam-Webster on deep

Thesaurus: All synonyms and antonyms for deep

Spanish Central: Translation of deep

Nglish: Translation of deep for Spanish Speakers

Britannica English: Translation of deep for Arabic Speakers

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