deep

adjective
\ 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 combination ankle-deep in mud
6 : large deep discounts
7 : having many good players a deep bullpen
in deep water
: in difficulty or distress

deep

adverb

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

deep

noun

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

Adjective

deeply adverb
deepness noun

Synonyms & Antonyms for deep

Synonyms: Adjective

Synonyms: Noun

Antonyms: Adjective

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Choose the Right Synonym for deep

Adjective

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 This grand mansion built in 1885 has deep roots in Montecito. Lauren Beale, Forbes, 1 June 2021 Both of their families have deep roots in San Antonio Republican politics and both of them have watched with disgust as demagogues have hijacked their party. Gilbert Garcia, San Antonio Express-News, 29 May 2021 Instead, a new regime, made up mostly of people from outside of Providence, began to remove principals and assistant principals who had deep roots in Providence. BostonGlobe.com, 28 May 2021 Sherwood High grad with deep Oregon sports family roots who captured the 2019 national baseball player of the year honor. oregonlive, 25 May 2021 The Florida Panthers will have a new training facility next year, one that comes with a tie to the team’s deep military roots. Tim Reynolds, sun-sentinel.com, 25 May 2021 Go for a run, walk your dog, practice some deep breathing — anything that doesn't contribute to your argument. Ian Kerner, CNN, 25 May 2021 Our weekday newsletter provides insight into business opportunities and challenges companies face when implementing machine learning, deep learning and other advanced technologies. Geoffrey Rogow, WSJ, 25 May 2021 The Democratic frontrunner is an old-school career politician with deep roots in the party establishment. Los Angeles Times, 24 May 2021 Recent Examples on the Web: Adverb According to a source not authorized to comment on the deal, NFL legend Tony Gonzalez found a deep-pocketed buyer in Beverly Hills, selling his 13,000-square-foot mansion to billionaire investor Wayne Boich for $21.15 million. Los Angeles Times, 2 June 2021 The deal offers shades of Disney’s acquisition of Marvel in 2009 for $4 billion — another purchase of a beloved but underutilized collection of properties by a deep-pocketed owner with big ambitions. Washington Post, 26 May 2021 Kaya Oakes, author of The Nones Are Alright, adds that many conservative Catholic news outlets have deep-pocketed donors, which means sensationalistic voices get amplified, while those defending the poor and marginalized are drowned out. Audrey Clare Farley, The New Republic, 25 May 2021 For Julien’s, the business of auctioning off pop-culturally significant clothes—steady through the mid-2010s—has erupted in the past few years thanks to deep-pocketed 20- to 40-somethings. Jacob Gallagher, WSJ, 24 May 2021 Not just deep-pocketed buddies or contributors who’ll get rich(er) under some new law. Roy S. Johnson | Rjohnson@al.com, al, 19 May 2021 In the proxy battle with P&G, under CEO Nelson Peltz Trian Partners spent around $25 million, while deep-pocketed P&G spent $100 million. Robert G. Eccles, Forbes, 18 May 2021 Companies like Pfizer and Moderna have logged billions of dollars in revenue by selling most of their doses to deep-pocketed governments in North America and Europe. New York Times, 15 May 2021 Supporters argued that the contribution limits are needed to stop deep-pocketed donors from financing ballot initiatives on policy issues that should not be in the state Constitution. Jim Saunders, sun-sentinel.com, 9 May 2021 Recent Examples on the Web: Noun Fans pressed five-deep against the ropes, stumbled atop steep dunes and clambered into trees on the sprawling Ocean Course. Ben Nuckols, courant.com, 24 May 2021 Fans pressed five-deep against the ropes, stumbled atop steep dunes and clambered into trees on the sprawling Ocean Course. Ben Nuckols, Star Tribune, 24 May 2021 He's rangy over the top in two-deep and can play interchangeably in the box. Jim Ayello, The Indianapolis Star, 1 May 2021 Several jobs on the two-deep are open, particularly in the secondary, and new defensive coordinator Tim DeRuyter is installing his scheme. James Crepea | The Oregonian/oregonlive, oregonlive, 1 Apr. 2021 This will be the toughest fall to crack the offensive line two-deep at Ohio State in a long time. Nathan Baird, cleveland, 18 Apr. 2021 Dru Mathis returns from the two-deep and Justin Flowe is back after tearing his meniscus. oregonlive, 31 Mar. 2021 With four edge signees not arriving until after the spring, how the 15 practices go will indicate much of the way the two-deep will look in the fall. oregonlive, 31 Mar. 2021 This leads us to the University of Utah, which released its initial spring two-deep on Monday ahead of the team’s first spring practice later in the afternoon. Josh Newman, The Salt Lake Tribune, 15 Mar. 2021

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

Adjective

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

Adverb

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

Noun

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

5 Jun 2021

Cite this Entry

“Deep.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deep. Accessed 12 Jun. 2021.

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More Definitions for deep

deep

adjective

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

deep

adverb

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

deep

adjective
\ 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

deep

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.

deep

noun

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

deep

adjective
\ 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

More from Merriam-Webster on deep

Thesaurus: All synonyms and antonyms for deep

Nglish: Translation of deep for Spanish Speakers

Britannica English: Translation of deep for Arabic Speakers

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