deep

Use deep in a sentence

A castles deep well.

adjective

The definition of deep is going far down or far away, something strongly felt, or something that is hard to understand.
1. An example of deep is a hole that goes miles underground.
2. An example of deep is a love between old friends.
3. An example of deep is a thought that is very difficult to express.

adverb

Deep is defined as at a great depth or a long period of time or space.
1. An example of deep is digging far into the sea.
2. An example of deep is working late into the night or running far back into the opponent's zone to catch a football throw.

noun

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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"deep." YourDictionary, n.d. Web. 16 January 2019. <https://www.yourdictionary.com/DEEP>.

APA Style

deep. (n.d.). Retrieved January 16th, 2019, from https://www.yourdictionary.com/DEEP

deep

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
extending down, inward, etc. a specified length or distance: water eight feet deep
1. located far down or back: deep in the outfield
2. coming from or going far down or back: a deep breath
far off in time or space: the deep past
hard to understand; abstruse: a deep book
extremely grave or serious: in deep trouble
strongly felt: deep love
intellectually profound: a deep discussion
1. tricky and sly; devious: deep dealings
2. carefully guarded: a deep secret
dark and rich: a deep red
sunk in or absorbed by: with in: deep in thought
1. great in degree; intense: deep joy
2. heavy and unbroken: a deep sleep
much involved: deep in debt
of low pitch or range: a deep voice
large; big: deep cuts in the budget
Sports having many good players in reserve: a team deep in pitching

Origin of deep

Middle English dep from Old English deop, akin to German tief, Gothic diups from Indo-European base an unverified form dheub-, deep, hollow from source dip, dump

a deep place or any of the deepest parts, as in water or earth
the extent of encompassing space or time, of the unknown, etc.
the middle part; part that is darkest, most silent, etc.: in the deep of night
Naut. any of the unmarked fathom points between those marked on a lead line

Origin of deep

ME dep < OE deop

in a deep way or to a deep extent; far down, far in, far back, etc.: to dig deep

Origin of deep

ME depe < OE deope

deep Idioms

go off the deep end

Origin of deep

in ref. to a swimming pool with both a deep end and a shallow end

Informal

to behave in a rash or reckless manner
to go insane

in deep water

in trouble or difficulty

the deep

Old Poet. the sea or ocean

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"deep." YourDictionary, n.d. Web. 16 January 2019. <https://www.yourdictionary.com/DEEP>.

APA Style

deep. (n.d.). Retrieved January 16th, 2019, from https://www.yourdictionary.com/DEEP

deep

adjective

deep·er, deep·est

a. Extending far downward below a surface: a deep hole in the river ice.
b. Extending far inward from an outer surface: a deep cut.
c. Extending far backward from front to rear: a deep walk-in refrigerator.
d. Extending far from side to side from a center: a deep yard surrounding the house.
e. Far distant down or in: deep in the woods.
f. Coming from or penetrating to a depth: a deep sigh.
g. Sports Located or taking place near the outer boundaries of the area of play: deep left field.
Extending a specific distance in a given direction: snow four feet deep.
Far distant in time or space: deep in the past.
a. Difficult to penetrate or understand; recondite: a deep metaphysical theory.
b. Of a mysterious or obscure nature: a deep secret; ancient and deep tribal rites.
c. Very learned or intellectual; wise: a deep philosopher.
d. Exhibiting great cunning or craft: deep political machinations.
a. Of a grave or extreme nature: deep trouble; deepest deceit.
b. Very absorbed or involved: deep in thought; deep in financial difficulties.
c. Profound in quality or feeling: a deep trance; deep devotion.
Rich and intense in shade. Used of a color: a deep red.
Low in pitch; resonant: a deep voice.
Covered or surrounded to a designated degree. Often used in combination: waist-deep in the water; ankle-deep in snow.
Large in quantity or size; big: deep cuts in the budget.
Sports Having a sufficient number of capable reserve players: That team is not very deep.

adverb

To a great depth; deeply: dig deep; feelings that run deep.
Well along in time; late: worked deep into the night.
Sports Close to the outer boundaries of the area of play: played deep for the first three innings; ran deep into their opponents' territory.

noun

often deeps
a. A deep place in land or in a body of water: drowned in the deep of the river.
b. A vast, immeasurable extent: the deep of outer space.
The extent of encompassing time or space; firmament.
The most intense or extreme part: the deep of night.
The ocean.
Nautical A sounding that falls between marks on a lead line and thus corresponds to an estimated depth rather than a precise depth.

Origin of deep

Middle English dep from Old English dēop ; see dheub- in Indo-European roots.

Related Forms:

deep′ly
adverb

deep′ness
noun

THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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MLA Style

"deep." YourDictionary, n.d. Web. 16 January 2019. <https://www.yourdictionary.com/DEEP>.

APA Style

deep. (n.d.). Retrieved January 16th, 2019, from https://www.yourdictionary.com/DEEP

Adjective

(comparative deeper, superlative deepest)

A physical distance: vertical or horizontal or both.
1. (of a hole, water, ravine, cut, etc.) Having its bottom far down.
  We hiked into a deep valley between tall mountains.
2. In extent, in a direction away from the observer (but generally not upward).
  The shelves are 30 centimetres deep.
3. In a number of rows or layers.
  a crowd three deep along the funeral procession
4. Thick.
  That cyclist's deep chest allows him to draw more air.
  There was a deep layer of soot over the window.
5. Voluminous.
  to take a deep breath / sigh / drink
6. A long way inside; situated far in or back.
  deep into the forest; deep in the forest
  1. (cricket, baseball): of a fielding position near the boundary, or closer to the boundary than one being compared to.
    He is fielding at deep mid wicket.
  2. (sports, soccer, tennis) A long way forward.
    a deep volley
  3. (American football) Relatively farther downfield.
(intellectual, social) Complex, involved.
1. Profound, having great meaning or import, but possibly obscure or not obvious.
  That is a deep thought!
2. To a significant, not superficial, extent.
  I just meant to help out a little, but now I'm deep into it.
  They're deep in discussion.
3. Hard to penetrate or comprehend; profound; intricate; obscure.
  a deep subject or plot
4. Of penetrating or far-reaching intellect; not superficial; thoroughly skilled; sagacious; cunning.
(sound, voice) Low in pitch.
She has a very deep contralto voice.
(of a col) Dark and highly saturated.
That's a very deep shade of blue.
(sleep) Sound, heavy (describing a state of sleep from which one is not easily awoken).
He was in a deep sleep.
Immersed, submerged (in).
deep in debt; deep in the mud
Muddy; boggy; sandy; said of roads.

Antonyms

(of a hole, water, etc): shallow
(having great meaning): frivolous, light, shallow, superficial
(in extent in a direction away from the observer): shallow
(thick in a vertical direction): shallow, thin
(voluminous): shallow, small
(low in pitch): high, high-pitched, piping
(of a color, dark and highly saturated): light, pale, desaturated, washed-out

Adverb

(comparative more deep, superlative most deep)

Deeply.

Noun

(countable and uncountable, plural deeps)

(literary, with "the") The deep part of a lake, sea, etc.
creatures of the deep
(US, rare) The profound part of a problem.
(with "the") The sea, the ocean.
(cricket) A fielding position near the boundary.
Russell is a safe pair of hands in the deep.

Origin

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”).

English Wiktionary. Available under CC-BY-SA license.

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MLA Style

"deep." YourDictionary, n.d. Web. 16 January 2019. <https://www.yourdictionary.com/DEEP>.

APA Style

deep. (n.d.). Retrieved January 16th, 2019, from https://www.yourdictionary.com/DEEP

deep

deep

deep

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