\ 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 The on-camera death of George Floyd was a tragedy and exposed a deep failure in policing. Shay Hawkins, WSJ, "Democrats Play Politics on Police Reform," 25 June 2020 Well, for one, there’s the deep colors and bold prints. Courtney Thompson, CNN Underscored, "The comfiest leggings you can essentially live in," 25 June 2020 As daily protests continue to course through Milwaukee and cities across the country, the initial burst of fury over the killing of George Floyd by Minneapolis police has blown open to reveal a deep, roiling rage in the souls of African Americans. jsonline.com, "Fannie Lou Hamer's declaration 'I'm sick and tired of being sick and tired' is still a rally cry for Black people in Milwaukee," 25 June 2020 The deep drops in economic output and a staggeringly high unemployment rate were just the Fed’s best guesses on how badly the pandemic could impact the nation’s banking system. Washington Post, "Fed stops big banks from buying back stock, caps dividends," 25 June 2020 While deep gray clouds loomed on Tuesday, June 23, the weather at Legacy Stadium seemed to hold off just for the first graduating class of Patricia E. Paetow High School to receive their diplomas. Tracy Maness, Houston Chronicle, "First Paetow H.S. class overcomes much to graduate," 25 June 2020 Their dominance is painfully evident every quarter when, in lockstep, the platforms announce their ever-growing share of the advertising market while traditional media report deep declines. Samir Patil, Fortune, "How a ‘creator economy’ could help writers and artists triumph over Facebook and Google," 25 June 2020 Another important stage of sleep is deep sleep, when your brain waves slow into what is called delta waves or slow-wave sleep. Sandee Lamotte, CNN, "Get better sleep by cuddling up with your partner," 25 June 2020 Sterban's deep vocals were integral component to that quintet's radio rise. Matt Wake | Mwake@al.com, al, "20 music stars who got their start as sidemen/sidewomen," 25 June 2020 Recent Examples on the Web: Adverb Pakistan was not aware of the operation, which involved U.S. helicopters flying deep into the country from Afghanistan. NBC News, "Pakistan's prime minister says U.S. 'martyred' 9/11 mastermind Osama bin Laden," 26 June 2020 Trump administration officials have talked about inserting the federal government deep into the private sector to stiffen global competition against Chinese telecom giant Huawei Technologies Co. Drew Fitzgerald And Sarah Krouse, WSJ, "White House Considers Broad Federal Intervention to Secure 5G Future," 25 June 2020 Visitors can distance from others while camping, which was approved to reopen on June 12, taking advantage of breathtaking views while venturing deep into the High Sierras. Alison Fox, Travel + Leisure, "This Gorgeous, Vast Part of California Has the Perfect Combination of Adventuring and Relaxing at a Social Distance," 24 June 2020 Voters endured 90-minute waits in Kentucky’s second-largest city, Lexington, and social media posts showed long lines in New York’s Westchester County deep into the evening. Anchorage Daily News, "Trump-backed House candidates lose in Kentucky, N. Carolina," 24 June 2020 The wetter areas were dense with sphagnum moss, the bog’s dominant and formative vegetation, its stems tangling deep into the water. William Atkins, Harper's Magazine, "[Letter from Ireland]," 23 June 2020 The other factor is the short ramp up to the season – a three-week rather than six-week spring training – means starting pitchers will not be able to go deep into games early. John Fay, Cincinnati.com, "RedsXtra: A shorter season is not good news for the Cincinnati Reds," 20 June 2020 But some experts say a culture of domestic violence is deep-rooted in South Africa's apartheid era where women and children faced high levels of violence and that criminal justice and policing systems alone cannot fix the problems. Bukola Adebayo, CNN, "South Africa has the continent's highest Covid-19 cases. Now it has another pandemic on its hands," 19 June 2020 Los Angeles will likely enter the restart eager to avenge lax points during the regular season and play deep into the fall. Callie Caplan, Dallas News, "Mavs playoff breakdown: Reasons for optimism, pessimism and key stats vs. 5 potential opponents," 18 June 2020 Recent Examples on the Web: Noun Some of the largest Hong Kong conglomerates, in particular, are trading at a deep... Jacky Wong, WSJ, "In Hong Kong, Stock Speculation Can Take a Morbid Turn," 16 June 2020 Instead, Eggers found herself off-trail deep in the forest trying to find her way out as night approached. oregonlive, "For Milwaukie mountain biker, preparation, swift rescue response were essential when lost in wilderness," 11 June 2020 Public spaces will close early for deep cleans Back on the ship, expect social distancing in common areas, where hours may be reduced for intensive sanitizing and disinfection. Janice Wald Henderson, Condé Nast Traveler, "What to Expect When Cruise Ships Sail Again," 8 June 2020 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

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

28 Jun 2020

Cite this Entry

“Deep.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deep. Accessed 6 Jul. 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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