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

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

In 1967, Israel seized the Golan Heights in a six-day war against Syria, Egypt and Jordan, which saw some 130,000 Syrians forcibly transferred or displaced deeper into Syrian territory, according to local Arab rights group Al-Marsad. NBC News, "Meet the future residents of Trump Heights, Israel's tribute to U.S. support," 16 Sep. 2019 Jordin Canada and Jewell Loyd, who were sensational in the first round and seriously outplayed the Lynx backcourt, had trouble containing Chelsea Gray, who lit them up with 21 points, including 4 of 7 from deep. Kellen Becoats, SI.com, "Dearica Hamby’s Winner Caps Off Thriller, Sparks Temper Storm as Semifinals Approach," 16 Sep. 2019 Bringing back the ghosts of directors quitting past, Disney CEO Bob Iger resigned from Apple’s board on Friday, as the two companies head deeper into the streaming video wars. Adam Lashinsky, Fortune, "Can a Mattress Startup Be a Tech Company, Too?—Data Sheet," 16 Sep. 2019 Special teams: Chris Olave blocked a second-quarter punt deep in Indiana territory that rolled out the back of the end zone for a safety. Nathan Baird, cleveland.com, "Who were Ohio State football’s Players of the Game against Indiana?," 15 Sep. 2019 Skyler DeLong’s kick from deep in Alabama territory traveled just 18 yards. Michael Casagrande | Mcasagrande@al.com, al, "A few extra observations, context from Alabama win at South Carolina," 15 Sep. 2019 The Raiders were on the move when halfback Tony Teresa fumbled the ball back to Denver deep in Broncos territory. Sean Keeler, The Denver Post, "Denver Broncos home openers turn 60: Different time, same love affair," 15 Sep. 2019 But the Terps were denied twice after taking possession deep in Temple territory trailing 20-15 in the final five minutes. Don Markus, baltimoresun.com, "No. 21 Maryland’s momentum stuffed as QB Josh Jackson, offense struggle in 20-17 loss at Temple," 14 Sep. 2019 For another, Wilson worked with writer Jack Thorne to dive deeper into Mrs. Coulter. Nick Romano, EW.com, "How HBO's His Dark Materials dives deeper into Philip Pullman's fantasy novels," 13 Sep. 2019

Recent Examples on the Web: Adverb

But digging deep into the data, the picture that emerges is of a government that’s measured and confident. Washington Post, "Trump Panics, Rushes Into Xi’s Arms," 18 Sep. 2019 The rebel group has launched missile and drone attacks into Saudi territory before, but never anything on that scale, or against such vital targets, or so deep into the kingdom, some 500 miles from Yemeni territory. BostonGlobe.com, "Saudi Arabia said Monday that Iranian weapons had been used in the aerial strikes over the weekend that interrupted much of the kingdom’s oil production. It also said the attacks had not been launched from Yemen, home of the Houthi rebel faction that has claimed responsibility.," 17 Sep. 2019 In Savoonga, the ice often held fast to the island shore deep into May, and the Yu'pik hunters used it to good advantage. Anchorage Daily News, "As Bering Sea ice melts, Alaskans, scientists and Seattle’s fishing fleet witness changes ‘on a massive scale’," 17 Sep. 2019 Scrambling to his right, Allen found new Bill John Brown, who picked up the conversion and more, going 17 yards deep into Giants territory. Albert Breer, SI.com, "Brees and Big Ben Concerns, the Ryan-Julio Hookup, Dak’s Magic and Poised Josh Allen: Week 2 in the NFL," 16 Sep. 2019 Kentucky stopped Florida's two-point conversion attempt again on a Trask keeper, and Smith led another drive deep into Florida territory before Poore missed the field goal. Jon Hale, The Courier-Journal, "Kentucky football falls short of second straight Florida win on late missed field goal," 15 Sep. 2019 Also missing is running back Melvin Gordon who is deep into a contract dispute. Kevin Allen, USA TODAY, "Los Angeles Chargers cannot overcome injuries, absences in Week 2 loss to Detroit Lions," 15 Sep. 2019 Kanani: Grunts like a piggy (Photo: Alex DeForest/Arizona Humane Society) While every pet is special in their own way and deserving of love, some pets truly have an indescribable way of wiggling deep into everyone’s hearts. Arizona Republic, azcentral, "A dog that grunts like a piggy and more up for adoption in Phoenix-area shelters this week," 13 Sep. 2019 Two years before the fall of the USSR, seedsman Bill McDorman — then age 35 and owner of Garden City Seeds of Missoula, Mont. — traveled deep into Soviet Siberia searching for new types of tomatoes unknown in the West. Boston.com Real Estate, "30 years of Russian influence … on our tomatoes," 11 Sep. 2019

Recent Examples on the Web: Noun

The Pirates are switching from a 3-4 defense to a 4-3, and the team’s strength, Gonzalez says, are a deep and experienced linebacker corps, featuring returning starters Crisp, Zeke Alleman, and Chris Castillo. Scott French, Daily Pilot, "Junior College Football Preview: Orange Coast looks to turn things around," 6 Sep. 2019 Key Play: Nebraska’s JD Spielman fumbled a punt deep in his own territory to set up South Alabama’s first touchdown, which cut a 21-point lead to 14. Creg Stephenson | Cstephenson@al.com, al, "Quarter-by-quarter look at South Alabama’s 35-21 loss to Nebraska," 31 Aug. 2019 The antihero of the Ultimate Fighting Championship was on his patio, neck-deep in training for his first fight in three years. John Branch, New York Times, "U.F.C. Needs an Antihero: Nate Diaz Returns Just in Time," 15 Aug. 2019 The Jaguars’ deep and experienced defensive front — which features five seniors and a fourth-year junior — also had a nice day, particularly after star Tyree Turner left the game due to injury in the first quarter and did not return. Creg Stephenson | Cstephenson@al.com, al, "5 things we learned from South Alabama’s 35-21 loss to Nebraska," 2 Sep. 2019 Following a recent practice, fans lined up four-deep behind a rope, a tangled knot of outstretched arms waving balls, hats and helmets. Rick Maese, The Denver Post, "With Vegas move on horizon, Raiders fans are torn between staying loyal and moving on," 19 Aug. 2019 Junior Justin McCoy is back at running back and the Sailors also have a deep and experienced receiving corps led by Goltz, who had 66 catches for 883 yards and three touchdowns last season. Matt Szabo, Daily Pilot, "High School Football Preview: Newport Harbor vies for more Sunset League relevance," 15 Aug. 2019 The defense, led by a deep and experienced line, is expected to continue the improvement that started last season. Eric Olson, The Denver Post, "Nebraska’s Scott Frost: Big 10 West favorite label fueling Huskers’ confidence," 1 Aug. 2019 Cargo space There is a deep and square cargo space of 20.1 cubic feet stacked to the windows. (james Halfacre), San Diego Union-Tribune, "2019 Mazda3: elevated design, distinct character," 8 June 2019

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

19 Sep 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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