Deep meaning

dēp
The definition of deep is going far down or far away, something strongly felt, or something that is hard to understand.

An example of deep is a hole that goes miles underground.

An example of deep is a love between old friends.

An example of deep is a thought that is very difficult to express.

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Deep means a part of water, earth or space that is known to be one of most extreme known to science.

An example of deep is a part of the ocean that goes down more than 18,000 feet below the surface.

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Strongly felt.

Deep love.

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The ocean.
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Extending far downward from the top or top edges, inward from the surface, or backward from the front.

A deep cut, a deep lake, a deep drawer.

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(nautical) A distance estimated in fathoms between successive marks on a sounding line.
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The extent of encompassing time or space; firmament.
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The most intense or extreme part.

The deep of night.

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Extending down, inward, etc. a specified length or distance.

Water eight feet deep.

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Far off in time or space.

The deep past.

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Hard to understand; abstruse.

A deep book.

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Intellectually profound.

A deep discussion.

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Dark and rich.

A deep red.

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Sunk in or absorbed by.

Deep in thought.

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Much involved.

Deep in debt.

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Of low pitch or range.

A deep voice.

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Large; big.

Deep cuts in the budget.

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(sports) Having many good players in reserve.

A team deep in pitching.

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A deep place or any of the deepest parts, as in water or earth.
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The extent of encompassing space or time, of the unknown, etc.
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The middle part; part that is darkest, most silent, etc.

In the deep of night.

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(naut.) Any of the unmarked fathom points between those marked on a lead line.
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In a deep way or to a deep extent; far down, far in, far back, etc.

To dig deep.

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A physical distance: vertical or horizontal or both.
  • (of a hole, water, ravine, cut, etc.) Having its bottom far down.
    We hiked into a deep valley between tall mountains.
  • In extent, in a direction away from the observer (but generally not upward).
    The shelves are 30 centimetres deep.
  • In a number of rows or layers.
    A crowd three deep along the funeral procession.
  • That cyclist's deep chest allows him to draw more air.
    There was a deep layer of soot over the window.
  • To take a deep breath / sigh / drink.
  • A long way inside; situated far in or back.
    Deep into the forest; deep in the forest.
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(intellectual, social) Complex, involved.
  • Profound, having great meaning or import, but possibly obscure or not obvious.
    That is a deep thought!.
  • I just meant to help out a little, but now I'm deep into it.
    They're deep in discussion.
  • Hard to penetrate or comprehend; profound; intricate; obscure.
    A deep subject or plot.
  • Of penetrating or far-reaching intellect; not superficial; thoroughly skilled; sagacious; cunning.
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(sound, voice) Low in pitch.

She has a very deep contralto voice.

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(of a col) Dark and highly saturated.

That's a very deep shade of blue.

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

He was in a deep sleep.

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Immersed, submerged (in).

Deep in debt; deep in the mud.

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Muddy; boggy; sandy; said of roads.
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(literary, with "the") The deep part of a lake, sea, etc.

Creatures of the deep.

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(US, rare) The profound part of a problem.
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(with "the") The sea, the ocean.
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(cricket) A fielding position near the boundary.

Russell is a safe pair of hands in the deep.

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Deep is defined as at a great depth or a long period of time or space.

An example of deep is digging far into the sea.

An example of deep is working late into the night or running far back into the opponent's zone to catch a football throw.

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Extending a specific distance in a given direction.

Snow four feet deep.

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Low in pitch; resonant.

A deep voice.

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Covered or surrounded to a designated degree. Often used in combination.

Waist-deep in the water; ankle-deep in snow.

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Large in quantity or size; big.

Deep cuts in the budget.

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(sports) Having a sufficient number of capable reserve players.

That team is not very deep.

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To a great depth; deeply.

Dig deep; feelings that run deep.

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Well along in time; late.

Worked deep into the night.

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(sports) Close to the outer boundaries of the area of play.

Played deep for the first three innings; ran deep into their opponents' territory.

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Extremely grave or serious.

In deep trouble.

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Far distant in time or space.

Deep in the past.

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Rich and intense in shade. Used of a color.

A deep red.

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deep down
  • At bottom; basically:
    Deep down, she was still a rebel.
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in deep water
  • In difficulty.
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(informal) go off the deep end
  • to behave in a rash or reckless manner
  • to go insane
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in deep water
  • in trouble or difficulty
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the deep
  • the sea or ocean
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Idioms and Phrasal Verbs

in deep water
go off the deep end
in deep water
the deep

Origin of deep

  • Middle English dep from Old English dēop dheub- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Middle English depe, from Old English dēop (“deep, profound; awful, mysterious; heinous; serious, solemn, earnest; extreme, great”), from Proto-Germanic *deupaz (“deep”), from Proto-Indo-European *dʰéwbus, from *dʰewb- (“deep”). Cognate with Scots depe (“deep”), Eastern Frisian djap (“deep”), West Frisian djip (“deep”), Low German deep (“deep”), Dutch diep (“deep”), German tief (“deep”), Danish dyb (“deep”), Norwegian dyp (“deep”), Swedish djup (“deep”), Icelandic djúpur (“deep”), Lithuanian dubùs (“deep, hollow”), Albanian det (“sea”), Welsh dwfn (“deep”).

    From Wiktionary