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 bull pen
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

abysmal, bottomless, profound

Synonyms: Noun

depth, height, middle, midst, thick

Antonyms: Adjective

shallow, shoal, skin-deep, superficial, surface

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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

Yet the lyrics feel deeper than that—how fish are powerful in their plainness and able to swim underwater, where a person in a boat would be caught in the undertow. Vogue, "Meet Alyona Alyona, Ukraine’s Most Unlikely Rap Star," 11 Apr. 2019 Leahy credits Vechery for being deep in the fertility space first before drawing her into the space. Marina Liao, Marie Claire, "What I Wear to Work: Carly Leahy, Co-Founder of Modern Fertility," 8 Apr. 2019 Melanocytes are responsible for making pigment and are found deep in the skin, [and] squamous cells compose the upper layer of the skin and produce keratin. Rebecca Dancer, Allure, "The American Cancer Society's Annual Report Reveals Melanoma Cases Continue to Rise," 5 Apr. 2019 But the truth is, sometimes the cracks that form after a parent's death are too deep to fix. Sarah Chaves, Glamour, "This Is Us Gets So Many Things Right—But I Think It Takes the Easy Route With Grief," 2 Apr. 2019 But what’s really inspiring about Chris goes deeper than his musical stylings. Megan Stein, Country Living, "Everything to Know About 'The Voice' Finalist Chris Kroeze," 17 Dec. 2018 Living on the road has given us a deeper appreciation for the simple beauty, pleasantness, and serenity that nature can provide for a human. Alex Aronson, Redbook, "Travel Influencers Share Their Favorite Things About #VanLife," 29 Mar. 2019 Large, high-end homes across the Sunbelt are sitting on the market, enduring deep price cuts to sell. Candace Taylor, WSJ, "A Growing Problem in Real Estate: Too Many Too Big Houses," 21 Mar. 2019 On the heels of The Marvelous Mrs. Maisel's critical success, writer-producer-director Amy Sherman-Palladino is set to dive even deeper into the world of midcentury showmanship with Gypsy. Chloe Foussianes, Town & Country, "The Marvelous Mrs. Maisel's Amy Sherman-Palladino to Direct Gypsy, a Burlesque Musical," 7 Feb. 2019

Recent Examples on the Web: Adverb

Some of the debris, such as aluminum shavings, seems rather minor but could work its way deep into the aircraft. Kyle Mizokami, Popular Mechanics, "Air Force Stops Deliveries of Trash-Filled KC-46 Tankers Yet Again," 3 Apr. 2019 Microsoft will have to dig deep to reposition its existing services as consumer-friendly. Mark Hachman, PCWorld, "Microsoft's pledge to win back the consumer needs to be more than just words," 20 July 2018 Enthusiastic eating is an easy way to both show and gain respect, so loosen your belt and dig deep. Matt Goulding, Condé Nast Traveler, "How to Eat Like an Italian," 13 June 2018 One that would include, for Chris, digging deep into Toby Damon's past and coming face-to-face with his character's life-long battle with depression. Kayla Keegan, Good Housekeeping, "Chris Sullivan Reveals How Toby’s Depression Took a Toll on Him," 19 Mar. 2019 Blaze—along with people like Mississippi John Hurt and Lightnin’ Hopkins and Townes—is a hero to Ben, and the opportunity to dive deep inside these songs was really exciting to him. Corey Seymour, Vogue, "Ethan Hawke On Blaze, Outlaw Music, and the Dangers of Living Creatively," 6 Sep. 2018 But on trip No. 11, to save one of the last soccer teammates stuck for 18 days deep inside the cave, something went dangerously wrong. Hannah Beech, Richard C. Paddock And Muktita Suhartono, New York Times, "‘Still Can’t Believe It Worked’: The Story of the Thailand Cave Rescue," 12 July 2018 Early Friday, a former Thai Navy SEAL diver died after losing consciousness while returning from placing air tanks deep inside the caves. NBC News, "Thailand cave rescue set to resume for 9 still trapped," 9 July 2018 Eighteen divers set off at 10 a.m. local time on a dangerous mission to rescue the junior soccer team, who had been stuck deep inside Tham Luang cave for 16 days. Feliz Solomon / Chiang Rai, Time, "Four of the 12 Boys Trapped in a Thai Cave For More Than Two Weeks Have Been Rescued," 8 July 2018

Recent Examples on the Web: Noun

Lauren Theis, a 33-year-old yoga instructor, will lead a group hike Saturday through a trail deep in the New Jersey Pinelands, past stands of Atlantic white cedar, oak and pitch pine — and maybe even a bald eagle nest. Frank Kummer, Philly.com, "'Forest bathing' aims for a full body and spirit immersion in N.J. Pinelands," 19 Apr. 2018 Lawrence hit Tee Higgins with a 62-yard pass on third-and-14 deep in Tiger territory and Travis Etienne followed with a 17-yard TD run. Pete Iacobelli, The Seattle Times, "Clemson uses big moments to topple Tide for title," 8 Jan. 2019 That is a huge boon to Charlotte, which may use him as a shooting guard next to Kemba Walker but regardless got great value this deep into the draft. 12. Benjamin Hoffman, New York Times, "2018 N.B.A. Draft Results: Analysis of Every Pick in Round 1," 21 June 2018 Betty's mom is knee-deep in some bizarre cult called The Farm, Archie's sweating it out in juvie, and a creepy game called Gryphons and Gargoyles is literally killing high schoolers. Christopher Rosa, Glamour, "Why Is Riverdale So Thirsty This Season?," 31 Oct. 2018 With England and Croatia tied 1-1 deep into extra time, Mandzukic slipped past John Stones and stroked a clinical finish past Pickford to send Croatia to the World Cup Final. Nihal Kolur, SI.com, "Watch: Croatian Players Celebrate Mandzukic Goal With Photographer," 11 July 2018 For one, the speaker is mostly treated as an iOS ecosystem accessory, like the AirPods, that works best only for those deep within Apple’s walled garden. Nick Statt, The Verge, "Apple sold an estimated 600,000 HomePods in the first quarter of the year," 17 May 2018 In the 1970s, local preference shifted to the larger fish of the deeps, above all ahi (yellowfin tuna), typically anointed with shoyu (Japanese soy sauce) instead of sea salt. Author: Ligaya Mishan, Anchorage Daily News, "Heading home to Hawaii in search of poke," 10 Jan. 2018 Virginia will have a young defense, and Louisville will bring a deep, experienced receiving group. Jake Lourim, The Courier-Journal, "How Louisville football can (and can't) beat Virginia," 5 July 2018

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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Statistics for deep

Last Updated

18 Apr 2019

Look-up Popularity

Time Traveler for deep

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

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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

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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

Comments on deep

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