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deep

deep

1.0
Far down from the surface or top
  • adjective
  • /dip/
translation icon : profundo
  • Take a nice, deep breath now.
  • take a deep breath
  • deep breathing
  • deep water

Do you think how deep do you think the Earth goes?

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Examples

  • The MIT researchers believe this is a sign of deeper structural changes in the economy.

    Academic text (2012)
  • The wound's only like two inches deep.

  • What kinds of experiences provide you with the deepest sense of meaning in life?

    Academic text (2013)
  • The rivers, they are deep, dark, dusky.

  • So it'll be a very deep train tunnel.

  • Understanding a character's motives in historical fiction allows for a deeper understanding of the narrative and history.

    Academic text (2013)
  • The well was surprisingly deep, extending down several meters below the surface.

  • We decided to explore the deep cave that was hidden behind the waterfall.

  • Her voice was deep and resonant, filling the entire room.

Synonyms

deep-sea
vsdeep
13 4.5

Located very far below the sea surface

applies to any place that goes far inward or downward, not only ocean zones
bottomless
vsdeep
12 5.0

So deep that you cannot see or reach the lowest part

extends far inward but has a bottom that can be seen or reached
profound
vsdeep
10 6.2

Very deep and extending far down

is located far down but is plainly measurable rather than unfathomable
deep-water
vsdeep
4 4.9

In very deep parts of the sea

covers general inward or downward extent, not only maritime environments
bone-deep
vsdeep
1 7.0

A very strong feeling that reaches deep into your body or heart

refers to physical inward or downward extent rather than emotional intensity
depthless
vsdeep
1 7.2

So far down that it seems to have no bottom, like an ocean or someone's eyes

extends far inward but remains measurably bounded, not infinite
deepish
vsdeep
4.2

A hole or container that goes a fair distance down from the top

goes much farther inward or downward, not just moderately so

Antonyms

155 1.6

Not deep from the surface down

20 5.3

Near the surface and not deep, like a small cut

Idioms

deep down
  • Informal
117 3.5

In your real feelings or beliefs that you do not show

in too deep
  • Informal
12 7.4

Too involved in a problem or situation to get out easily

You must choose between two options that are both bad

1 8.2

To have to do something difficult without preparation

Focusing very seriously on something in your mind

1 7.8

Start a difficult task without much preparation or experience

1 7.8

Put suddenly into a difficult situation without preparation or help

elbow-deep in
  • Informal
6.8

Very involved in an activity, often working with your hands

Deeply stuck in a difficult situation that is hard to leave

To throw something away and stop using it

this is deep
  • Informal
8.7

People say it when something seems very serious or important, often jokingly

Compounds

205 2.2

To breathe in slowly and fully to help you relax

deep space
  • Specialized
25 6.4

An area far beyond the solar system, between stars and galaxies

21 1.7

Cooked by putting food completely into hot oil

deep end
  • Informal
19 5.6

A difficult situation that forces someone new to cope

19 4.0

A person or company with a lot of money to pay for things

15 4.4

A region in the southeastern United States with a long history and strong local culture

14 2.8

A heavy sleep when the body and mind rest and are not aware of surroundings

knee-deep
  • Informal
13 3.9

Very involved in something, like work or problems

13 4.5

Located very far below the sea surface

A strong feeling of closeness between people or toward a place

A strong and complete knowledge of a subject or idea

deep dive
  • Jargon
8 4.1

A detailed look at a topic to learn more about it

6 2.7

A dark, strong red colour that looks rich

6 3.6

The deepest parts of the ocean far below the surface where little or no sunlight reaches

5 4.7

Only on the surface and not deep inside

5 3.1

Water or mud that reaches up to the knees

5 2.9

Up to someone's waist in water or snow

4 4.9

In very deep parts of the sea

4 3.7

A very strong feeling of sadness after a great loss

4 6.9

Very involved in a difficult situation that is hard to manage

4 2.7

A kitchen machine that cooks food by putting it completely into hot oil

4 4.2

A person who spends time on serious, important ideas

3 3.0

At a depth up to the ankles in water, mud, or snow

deep water
  • Informal
3 5.9

A situation that causes serious trouble

2 4.3

A period of very cold weather that lasts several days

2 1.0

A dark shade of brown like chocolate

2 4.9

An eye set far back in the head that makes the eye area look deep and dark

2 6.0

A time when work or activity stops for a long time

A person who dives deep in the sea using special equipment to protect from high pressure

1 7.0

A very strong feeling that reaches deep into your body or heart

1 4.0

A very heavy sleep that is hard to wake from

A strong feeling of worry that lasts a long time and is hard to change

Serious conversation that looks closely at important or difficult ideas

1 3.5

A very cold freezer for keeping food for a long time

Strong anger that stays inside someone for a long time

An electric kitchen machine that cooks food by putting it completely in hot oil

1 2.6

A large electric box that keeps food very cold for a long time

deep kiss
  • NSFW
1 4.1

A long open-mouthed kiss where people touch tongues

deep cut
  • Jargon
1 8.4

A song on an album that is not a hit but loved by fans

deep sleep
  • Specialized
1 3.7

A low power state when a device turns off most parts but can wake quickly

A pie with a deep layer of fruit filling and a top crust

1 1.8

Having a strong, dark shade of pink

Very tired all through your body so you can barely move

At a height that reaches a person's chest

A place where people cross a river with deep water

7.3

A vein deep in the side of the brain that drains blood toward the base of the brain

A remote northern area that has wild natural beauty

A strong emotional effect that something like music or words has on people

deep cervical vein
  • Specialized
5.5

A blood vessel in the neck that drains blood from muscles near the spine

A person or animal with a deep chest that suggests strength

A careful, detailed study of a subject to find important facts

deep supporting fire
  • Specialized
8.8

Fire from heavy guns at enemy targets far behind friendly troops to disrupt supplies and reinforcements

deep temporal vein
  • Specialized
7.9

A vein in the temple area that carries blood away from nearby muscles

8.4

Secretly and carefully planned to reach a goal

deep-lobed
  • Specialized
7.2

Leaves or body parts that have deep cuts making clear rounded sections, like oak leaves

A strong hidden worry that affects how someone thinks or acts

deep-mined
  • Specialized
6.4

Coal taken from mines deep under the ground, not from the surface

deep-fried
  • Slang
8.2

A picture or video edited to make colours and contrast look too strong

A strong long-held belief in the Pope's authority

A custom people have followed for a long time that is hard to change

A belief that people hold for a long time and find hard to change

A strong, intense yellow like a ripe pumpkin

Eyebrows that sit back above the eyes and make the face look intense

A very deep part of the Atlantic Ocean north of Haiti and Puerto Rico

A problem that looks small but does not fix the real cause

How Deep

abyssal
1 9.8
deep
1.0
shallow
155 1.6
surface
3.4

Surface Forms

deep positive
deeper comparative
deepest superlative

Etymology

The word deep comes from an old English word dēop meaning 'far down', and it is the same root as depth. So something deep goes a long way down from the surface.