deep — English Dictionary

deep
Pronunciations (2)
  • /diːp/
  • diːp

Adjective

  1. Extending, reaching or positioned far from a point of reference, especially downwards. Extending far down from the top, or surface, to the bottom, literally or figuratively.

    Usage
    • also
    • Figurative
    • of distance or position
    Examples

    The lake is extremely deep.

    We hiked into a deep valley between tall mountains.

    More examples (7)

    There was a deep layer of dust on the floor; the room had not been disturbed for many years.

    In the mid-1970s, the economy went into a deep recession.

    We are in deep trouble.

    Smooth runnes the Water, where the Brooke is deepe,

    Here, in the transept and choir, where the service was being held, one was conscious every moment of an increasing brightness; colours glowing vividly beneath the circular chandeliers, and the rows of small lights on the choristers' desks flashed and sparkled in front of the boys' faces, deep linen collars, and red neckbands.

    While Britain’s recession has been deep and unforgiving, in London it has been relatively shallow.

    The differences in biofilm penetration patterns of both tested photosensitisers and the light source could have played an important role for the survival of microorganisms after the application of aPDT. In a recent own study, we showed that the deepest layers of the oral biofilm were not affected by the aPDT [4 ].

  2. Extending, reaching or positioned far from a point of reference, especially downwards. Positioned far from the surface or other reference point, especially down through something or into something.

    Usage
    • also
    • Figurative
    • of distance or position
    Examples

    Diving down to deep wrecks can be dangerous.

    I can't get the bullet out – it's too deep.

  3. Extending, reaching or positioned far from a point of reference, especially downwards. Positioned far from the boundaries of or main approaches to (the specified place); interior.

    Usage
    • also
    • Figurative
    • of a place
    • of distance or position
    Examples
    More examples (1)

    He [the panda] comes from deepest Asia , high up in the remote mountains of Szechwan and Kansu. In addition to that he is further protected by the fact that he lives in the secure fastnesses of the bamboo jungles.

    Impressive though Egyptian culture was, it was in deep Africa that Jung came closer to understanding himself as a man.

    Films shot on location in deep Africa were still a rare exсерtion in 1960.

    More examples (1)

    Herodotus' remark about the Ethiopians 'who lived in the south' would refer to the people from deeper Africa, south of the Atlas Mountains, of whom a small number may here and there have seeped into North Africa, perhaps via the Nile Valley or by trans-Sahara trade routes, […]

  4. Extending, reaching or positioned far from a point of reference, especially downwards. Far in extent in another (non-downwards, but generally also non-upwards) direction, especially front-to-back.

    Usage
    • also
    • Figurative
    • of distance or position
    Examples

    The shelves are 30 centimetres deep. — They are deep shelves.

    That cyclist's deep chest allows him to draw more air.

  5. Extending, reaching or positioned far from a point of reference, especially downwards. Extending to a level or length equivalent to the stated thing.

    Usage
    • also
    • Figurative
    • In compounds
    • of distance or position
    Examples

    The water was waist-deep.

    There is an arm-deep hole in the wall.

  6. Extending, reaching or positioned far from a point of reference, especially downwards. In a (specified) number of rows or layers.

    Usage
    • also
    • Figurative
    • of distance or position
    Examples

    a crowd four deep along the funeral procession, with people two deep on the sidewalks

    The fleet of ships was fifty sail deep.

  7. Extending, reaching or positioned far from a point of reference, especially downwards. Voluminous.

    Usage
    • also
    • Figurative
    • of distance or position
    Examples

    to take a deep breath / sigh / drink

    More examples (1)

    Serene, smiling, enigmatic, she faced him with no fear whatever showing in her dark eyes.[…]She put back a truant curl from her forehead where it had sought egress to the world, and looked him full in the face now, drawing a deep breath which caused the round of her bosom to lift the lace at her throat.

  8. Extending, reaching or positioned far from a point of reference, especially downwards. Far from the center of the playing area, near to the boundary of the playing area, either in absolute terms or relative to a point of reference.

    Usage
    • also
    • Figurative
    • of distance or position
    Examples

    He is fielding at deep mid wicket.

    She hit a ball into deep center field.

  9. Extending, reaching or positioned far from a point of reference, especially downwards. Penetrating a long way, especially a long way forward.

    Usage
    • also
    • Figurative
    • of distance or position
    Examples

    a deep volley

    a deep run into the opposition half

  10. Extending, reaching or positioned far from a point of reference, especially downwards. Positioned back, or downfield, towards one's own goal, or towards or behind one's baseline or similar reference point.

    Usage
    • also
    • Figurative
    • of distance or position
    Examples

    Our defensive live is too deep. We need to move further up the field.

    She returns serve from a very deep position.

  11. Extending, reaching or positioned far from a point of reference, especially downwards. Further into the body.

    Usage
    • also
    • Figurative
    • often
    • with to
    • of distance or position
    Antonyms
    Examples

    the brachialis is deep to the biceps

    More examples (1)

    The superficial fascia surrounds the body and includes subcutaneous fat; the deep fascia surrounds the musculoskeletal system; the meningeal fascia surrounds the nervous system; the visceral fascia surrounds body cavities and organs.

  12. Complex, involved. Profound, having great meaning or import, but possibly obscure or not obvious.

    Examples

    That is a deep thought!

  13. Complex, involved. Significant, not superficial, in extent.

    Examples

    Your analysis does not cut deep enough yet.

    They're in deep discussion.

    More examples (1)

    And it's me you need to show / How deep is your love?

  14. Complex, involved. Hard to penetrate or comprehend; profound; intricate; obscure.

    Examples

    a deep subject or plot

    More examples (1)

    Why it was that the ancients had no landscape painting, is a question deep almost as the mystery of life, and harder of solution than all the problems of jurisprudence combined.

  15. Complex, involved. Of penetrating or far-reaching intellect; not superficial; thoroughly skilled; sagacious; cunning.

    Examples

    Deepe clearks ſhe dumb's

    I never said I was deep, but I am profoundly shallow / My lack of knowledge is vast, and my horizons are narrow

  16. Complex, involved. Inner, underlying, true; relating to one’s inner or private being rather than what is visible on the surface.

    Examples
    More examples (1)

    Or doth she only seem to take ⁠The touch of change in calm or storm; ⁠But knows no more of transient form In her deep self, than some dead lake That holds the shadow of a lark ⁠Hung in the shadow of a heaven?

  17. Low in pitch.

    Examples

    She has a very deep contralto voice.

    More examples (1)

    The departure was not unduly prolonged.[…]Within the door Mrs. Spoker hastily imparted to Mrs. Love a few final sentiments on the subject of Divine Intention in the disposition of buckets; farewells and last commiserations; a deep, guttural instigation to the horse; and the wheels of the waggonette crunched heavily away into obscurity.

  18. Highly saturated; rich.

    Usage
    • of a color or flavour
    Examples

    That's a very deep shade of blue.

    The spices impart a deep flavour to the dish.

    More examples (1)

    The day was cool and snappy for August, and the Rise all green with a lavish nature. Now we plunged into a deep shade with the boughs lacing each other overhead, and crossed dainty, rustic bridges over the cold trout-streams, the boards giving back the clatter of our horses' feet:[…].

  19. Sound, heavy (describing a state of sleep from which one is not easily awoken).

    Examples

    He was in a deep sleep.

  20. Muddy; boggy; sandy; said of roads.

    Examples

    The ways in that vale were very deep.

  21. Distant in the past, ancient.

    Usage
    • of time
    Examples

    deep time

    in the deep past

Adverb

  1. Far, especially far down through something or into something, physically or figuratively.

    Examples

    The ogre lived in a cave deep underground.

    We ventured deep into the forest.

    More examples (4)

    His problems lie deep in the subconscious.

    I am deep in debt.

    Hepaticology, outside the temperate parts of the Northern Hemisphere, still lies deep in the shadow cast by that ultimate "closet taxonomist," Franz Stephani—a ghost whose shadow falls over us all.

    It is one of the ironies of capital cities that each acts as a symbol of its nation, and yet few are even remotely representative of it. London has always set itself apart from the rest of Britain — but political, economic and social trends are conspiring to drive that wedge deeper.

  2. In a profound, not superficial, manner.

    Examples

    I thought long and deep.

    deep-laid

    More examples (1)

    Deep verſt in books and ſhallow in himſelf,

  3. In large volume.

    Examples

    breathe deep, drink deep

    A little Learning is a dang'rous Thing; / Drink deep, or taſte not the Pierian Spring:

  4. Back towards one's own goal, baseline, or similar.

    Examples

    He's normally a midfield player, but today he's playing deep.

Noun

  1. The deep part of a lake, sea or ocean.

    Usage
    • Countable
    • Literary
    • Uncountable
    • with-definite-article
    Examples

    creatures of the deep

  2. The sea, the ocean.

    Usage
    • Countable
    • Uncountable
    • with-definite-article
    Examples

    How few! yet how they creep / Through my fingers to the deep, / While I weep—while I weep! / O God! can I not grasp / Them with a tighter clasp?

  3. A deep hole or pit, a water well; an abyss.

    Usage
    • Countable
    • Uncountable
    Examples

    Deep calleth unto deep at the noise of thy waterfalls: All thy waves and thy billows are gone over me.

  4. A deep or innermost part of something in general.

    Usage
    • Countable
    • Uncountable
    Examples

    And what delights can equal those ⁠That stir the spirit’s inner deeps, ⁠When one that loves but knows not, reaps A truth from one that loves and knows?

  5. A silent time; quiet isolation.

    Usage
    • Countable
    • Literary
    • Uncountable
    • with-definite-article
    Examples

    the deep of night

  6. A deep shade of colour.

    Usage
    • Countable
    • Rare
    • Uncountable
    Examples

    For our blues we have the azures and ceruleans, lapis lazulis, the light and dusty, the powder blues, the deeps: royal, sapphire, navy, and marine […]

  7. The profound part of a problem.

    Usage
    • US usage
    • Countable
    • Rare
    • Uncountable
  8. A fielding position near the boundary.

    Usage
    • Countable
    • Uncountable
    Examples

    Russell is a safe pair of hands in the deep.

  9. A deep hotel pan.

    Usage
    • Countable
    • Slang
    • Uncountable
    Broader terms
    Examples

    Coordinate term: shallow

Verb

  1. To overthink; to treat as being deeper (“more profound, significant”) than in reality.

    Usage
    • Multicultural-London-English
    • Slang
    • Transitive
    Examples

    ― Ugh, why are these road markings so awfully arranged? ― Quit deeping it bro, just drive, innit.

  2. To think about, especially deeply (“profoundly”); to consider.

    Usage
    • Multicultural-London-English
    • Slang
    • Transitive
    Examples

    No Picasso, I don't care about resistance (Deep dat).

    I think I better leave it. I don't wanna beat it, this is not a Michael phase. Every time I deep it, man dem wan' eat it. Trying to recycle, babe.

    More examples (1)

    I grew up so fucked but I didn't even deep it. I'm numb to the feelin' of grievin'.

Adjective

  1. relatively deep or strong; affecting one deeply

    Antonyms
    Examples

    a deep breath

    a deep sigh

    More examples (4)

    deep concentration

    deep emotion

    a deep trance

    in a deep sleep

  2. marked by depth of thinking

    Examples

    deep thoughts

    a deep allegory

  3. having great spatial extension or penetration downward or inward from an outer surface or backward or laterally or outward from a center; sometimes used in combination

    Antonyms
    Examples

    a deep well

    a deep dive

    More examples (11)

    deep water

    a deep casserole

    a deep gash

    deep massage

    deep pressure receptors in muscles

    deep shelves

    a deep closet

    surrounded by a deep yard

    hit the ball to deep center field

    in deep space

    waist-deep

  4. very distant in time or space

    Examples

    deep in the past

    deep in enemy territory

    More examples (2)

    deep in the woods

    a deep space probe

  5. intense or extreme

    Examples

    in deep trouble

    deep happiness

  6. having or denoting a low vocal or instrumental range

    Synonyms
    Examples

    a deep voice

    a bass voice is lower than a baritone voice

    More examples (1)

    a bass clarinet

  7. strong; intense

    Synonyms
    Examples

    deep purple

    a rich red

  8. relatively thick from top to bottom

    Examples

    deep carpets

    deep snow

  9. extending relatively far inward

    Examples

    a deep border

  10. (of darkness) densely dark

    Synonyms
    Examples

    thick night

    thick darkness

    More examples (2)

    a face in deep shadow

    deep night

  11. large in quantity or size

    Examples

    deep cuts in the budget

  12. with head or back bent low

    Examples

    a deep bow

  13. of an obscure nature

    Examples

    the new insurance policy is written without cryptic or mysterious terms

    a deep dark secret

    More examples (2)

    the inscrutable workings of Providence

    rituals totally mystifying to visitors from other lands

  14. difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge

    Examples

    the professor's lectures were so abstruse that students tended to avoid them

    a deep metaphysical theory

    More examples (1)

    some recondite problem in historiography

  15. exhibiting great cunning usually with secrecy

    Examples

    deep political machinations

    a deep plot

Noun

  1. the central and most intense or profound part

    Broader terms
    Examples

    in the deep of night

    in the deep of winter

  2. a long steep-sided depression in the ocean floor

  3. literary term for an ocean

    Broader terms
    Examples

    denizens of the deep

Adverb

  1. to a great depth; far down or in

    Synonyms
    Examples

    dived deeply

    dug deep

  2. to an advanced time

    Synonyms
    Examples

    deep into the night

    talked late into the evening

  3. to a great distance

    Examples

    penetrated deep into enemy territory

    went deep into the woods

Word forms
deepermore deepdeepestmost deepdeepedeepsdeepsdeepingdeepeddeeped

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