\ 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



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)

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 See More
Recent Examples on the Web: Adjective Footage of the aftermath showed buildings burning around a crater that looked to be forty feet deep. Seth Harp, Harper’s Magazine , 22 June 2022 Undoubtedly, the impact of the pandemic on student mental health has been deep, prolonged, and concerning. Brennan Barnard, Forbes, 22 June 2022 The crowd was so deep that, even after police and event staff pushed some of them back, Fitzpatrick’s caddie ran ahead and requested more clearance. Jason Mastrodonato, Hartford Courant, 20 June 2022 The backfield should be extremely deep and talented. Terry Pluto, cleveland, 19 June 2022 If a bird bath is too deep, birds may end up over their heads in water. Rena Behar, Better Homes & Gardens, 17 June 2022 For the experienced swimmers, portions of the lake were 8’ deep. Donna Reiner, The Arizona Republic, 17 June 2022 The hole was several feet deep, and nothing of note had yet been discovered, when, an hour or two later, Archer stopped the proceedings. Chris Heath, The Atlantic, 17 June 2022 The water is just 4 or 5 feet deep, but in many places vegetation is sparse. Richard Mertens, The Christian Science Monitor, 16 June 2022 Recent Examples on the Web: Adverb For a sport with roots that run centuries deep, surfing has been comically misunderstood by mainstream pop culture. Andrew S. Lewis, Outside Online, 10 June 2022 Spoken and unspoken racial delineations run deep, not just in America, but globally. Lynnette Nicholas, Essence, 10 June 2022 Scars still run deep in both France and Algeria from the colonial period and the brutal war that ended it. Claire Parker, Washington Post, 9 June 2022 In the lands of the midnight sun where Scandinavian roots run deep, the return of summer is celebrated. oregonlive, 8 June 2022 Its literary roots run deep, and books that might now be labeled as Afrofuturism have been around for decades. Felecia Wellington Radel, USA TODAY, 27 May 2022 While those first 400 copies may be lost to time, the paper’s archives run deep. Chicago Tribune Staff, Chicago Tribune, 22 May 2022 As casually as Moss talks about acting, the results run deep. Michael Schulman, The New Yorker, 29 Apr. 2022 Establishment parties that fared poorly in the presidential election also are expected to field candidates across the country where their roots run deep. Noemie Bisserbe, WSJ, 24 Apr. 2022 Recent Examples on the Web: Noun However, the two-deep is not set at strong-side linebacker and the rotation at Jack isn’t solidified yet either. oregonlive, 2 June 2022 Rivers played 10 deep in Game 7 and some of his lineups were baffling at times when the Sixers needed their stars in the game. Dan Gelston, Star Tribune, 21 June 2021 There is a case to be made that Bishop, Hubert, Latu and Isbell will make up the safety two-deep in some order, but Whittingham referenced Bryson Reeves and Darrien Stewart as also being in the mix. Josh Newman, The Salt Lake Tribune, 8 Apr. 2022 For a five-star offensive line recruit, getting into the two-deep should be the standard, setting you up to, at the bare minimum, be a two-year starter with a chance to go pro after your junior season. Stephen Means, cleveland, 5 Apr. 2022 Another receiver who has been seen working with the first-team offense at times has been Dawson, the former four-star prospect who was the only true freshman to crack Auburn’s two-deep at the start of last season. Tom Green |, al, 4 Apr. 2022 After that, the Buckeyes don’t seem to know who fills out their two-deep on the offensive line. Nathan Baird, cleveland, 15 Apr. 2022 Several jobs on the two-deep are open, especially in the secondary, and the Ducks are installing a new offense and defense. oregonlive, 10 Mar. 2022 Pittman can beat their secondary deep and provides leverage against a chalky Jonathan Taylor. Eddie Brown, San Diego Union-Tribune, 30 Oct. 2021 See More

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.

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 2022

Cite this Entry

“Deep.” Dictionary, Merriam-Webster, Accessed 29 Jun. 2022.

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More Definitions for deep


\ 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

More from Merriam-Webster on deep

Nglish: Translation of deep for Spanish Speakers

Britannica English: Translation of deep for Arabic Speakers


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