\ 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 Simply apply a few drops of the essential oil of your choice to its surface and take a deep breath. Zoe Ruffner, Vogue, "The 17 Best Essential Oil Diffusers for a Calm Space and Clear Mind," 4 Jan. 2021 When in doubt, take a deep breath and work to understand where everyone is coming from. Venus Australis, refinery29.com, "Your Weekly Horoscope Is Here," 4 Jan. 2021 The third principal argument Snowden’s pardon advocates make is that Snowden is a man of the people who stood up to the deep state. Rebeccah Heinrichs, Washington Examiner, "Snowden's no hero," 31 Dec. 2020 Still, deep discounts were the norm at the high end, and new developments across the city faced serious hurdles. New York Times, "The Real Estate Collapse of 2020," 25 Dec. 2020 If the pardon can be sold to Trump as a way to stick it to the deep state on his way out the door, anything is possible. Rich Lowry, National Review, "Don’t Pardon Snowden," 18 Dec. 2020 The popular two-term moderate Republican governor of a deep blue state is joining No Labels as a co-chair ahead of the decade-old centrist group's upcoming push for its agenda in front of the new Congress. Paul Steinhauser, Fox News, "Maryland Gov. Hogan to co-chair centrist No Labels group amid 2024 speculation," 16 Dec. 2020 When temperatures become too cold to endure, animals like bears, turtles, groundhogs, bats and squirrels slip into a deep state of hibernation to conserve precious energy. Rasha Aridi, Smithsonian Magazine, "What Hibernating Squirrels Can Teach Astronauts About Preventing Muscle Loss," 14 Dec. 2020 Running The Freebie Guy has turned into a full-time job, and Motzny is always on the hunt for toys and other in-demand items at deep discounts, regardless of the season. Steven Lindsey, Dallas News, "The Freebie Guy uses his superpowers to purchase toys at deep discounts, donates them to Jonathan’s Place," 9 Dec. 2020 Recent Examples on the Web: Adverb The coronavirus vaccines are injected deep into the muscles and stimulate the immune system to produce antibodies. New York Times, "How Taiwan Plans to Stay (Mostly) Covid-Free," 2 Jan. 2021 For the next 71 hours, Young and fellow astronaut Charles Duke used Dr. Carruthers’s telescope to peer deep into space, capturing more than 200 images of the earth’s atmosphere, hundreds of stars and distant galaxies. Washington Post, "George R. Carruthers, scientist who designed telescope that went to the moon, dies at 81," 31 Dec. 2020 Former Poet Laureate Trethewey revisits the heartbreak of her mother’s murder at the hands of Trethewey’s stepfather; painful and poetic, this book dives deep into grief and trauma, love and memory. BostonGlobe.com, "Best Books of 2020," 31 Dec. 2020 In February, weeks before most of us realized the new coronavirus had settled in for the long haul, massive corporations, fundraising nonprofits and expectant brides were all working the phones, canceling large events deep into spring. Michael Russell, oregonlive, "ChefStable Kitchen Collective brings Portland new ‘virtual food hall’," 29 Dec. 2020 Use your enhanced intuitive abilities that are present under the Full Moon to dive deep into the nature of your behavior and actions as of late. Tarot Astrologers, chicagotribune.com, "Daily horoscope for December 29, 2020," 29 Dec. 2020 For example, the 250 Savage is not very popular anymore, but now—deep into the 2020 ammunition famine—you’ll not find 250 Savage ammo on the shelves. Richard Mann, Field & Stream, "5 Hunting Cartridges You Can Find in an Ammo Shortage," 29 Dec. 2020 Attackers then used that pipeline to burrow deep into the networks of the most interesting entities. Dan Goodin, Ars Technica, "2020 had its share of memorable hacks and breaches. Here are the top 10," 28 Dec. 2020 The frustration in Goff reached a peak in the final minutes of the second quarter Sunday when the Rams drove deep into Seattle territory and were on the verge of improving upon a 6-3 lead. Bill Plaschke, Los Angeles Times, "Column: Jared Goff is Jameis Winston West, and that doesn’t bode well for Rams," 28 Dec. 2020 Recent Examples on the Web: Noun With 33 players out against Nebraska last week, the Gophers were down to just one-deep in some positions, including tight end. Megan Ryan, Star Tribune, "Megan Ryan's prediction: Gophers vs. Badgers," 18 Dec. 2020 And at bare minimum, the guys who aren't in the two-deep would be able to go on special teams. Chris Solari, Detroit Free Press, "Michigan State football's Mel Tucker has an interesting process of picking team captains," 21 Oct. 2020 But his fumble deep in Atlanta territory sparked a Falcons comeback. Paul Newberry, Star Tribune, "Hill throws 2 TD passes, Saints hold off Falcons 21-16," 6 Dec. 2020 Jonathan Williams fumbled on the Lions’ next play from scrimmage, on his first carry of the season, to set up Houston’s second offensive touchdown, and Kerryon Johnson lost a fumble deep in Texans territory on the Lions’ next series. Dave Birkett, Detroit Free Press, "Lions' latest lopsided loss looks like final nail in Matt Patricia's coaching coffin," 27 Nov. 2020 Colts defensive tackle DeForest Buckner recovered the fumble deep in Packers territory and in that moment, Blankenship knew the outcome of the game could rest on the strength and accuracy of his right leg. Akeem Glaspie, The Indianapolis Star, "Colts rookie Rodrigo Blankenship earns redemption with winning kick in overtime," 23 Nov. 2020 The last thing the Razorbacks needed was for their defense — which covid-19 made shorthanded by eliminating six from their two-deep — to be on the field for long periods of time. Wally Hall, Arkansas Online, "OPINION | WALLY HALL: Physically-dominated Hogs wouldn't stop fighting," 21 Nov. 2020 Lathan Ransom, for instance, moves onto our two-deep after taking the late snaps at slot cornerback against Penn State. Nathan Baird, cleveland, "Ohio State football’s depth chart against Rutgers, since the Buckeyes won’t release their own," 6 Nov. 2020 Of the 10 players listed on the two-deep between both cornerback spots, the nickel and both safety spots, six are true freshmen. Josh Newman, The Salt Lake Tribune, "Utah redshirt junior cornerback Bronson Boyd set to transfer," 3 Nov. 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

12 Jan 2021

Cite this Entry

“Deep.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deep. Accessed 19 Jan. 2021.

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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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