English dictionary

Info: This web site is based on WordNet 3.0 from Princeton University.

English adjective: deep

1. deep relatively deep or strong; affecting one deeply

SamplesA deep breath.
A deep sigh.
Deep concentration.
Deep emotion.
A deep trance.
In a deep sleep.

Similarheavy, profound, profound, sound, wakeless

Attributedeepness, depth


2. deep marked by depth of thinking

SamplesDeep thoughts.
A deep allegory.



3. deep 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

SamplesA deep well.
A deep dive.
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.

Similarabysmal, abyssal, bottomless, deep-water, profound, unfathomable, unfathomed, unplumbed, unsounded, walk-in

See alsounfathomable

Attributedeepness, depth


4. deep very distant in time or space

SamplesDeep in the past.
Deep in enemy territory.
Deep in the woods.
A deep space probe.



5. deep extreme

SamplesIn deep trouble.
Deep happiness.



6. deep having or denoting a low vocal or instrumental range

SamplesA deep voice.
A bass voice is lower than a baritone voice.
A bass clarinet.


Similarlow, low-pitched

Antonymshigh-pitched, high

7. deep strong; intense

SamplesDeep purple.
A rich red.


Similarcolorful, colourful

Antonymscolorless, colourless

8. deep relatively thick from top to bottom

SamplesDeep carpets.
Deep snow.



9. deep extending relatively far inward

SamplesA deep border.

Similarbroad, wide


10. deep (of darkness) very intense

SamplesThick night.
Thick darkness.
A face in deep shadow.
Deep night.




11. deep large in quantity or size

SamplesDeep cuts in the budget.

Similarbig, large

Antonymslittle, small

12. deep with head or back bent low

SamplesA deep bow.



13. deep of an obscure nature

SamplesThe new insurance policy is written without cryptic or mysterious terms.
A deep dark secret.
The inscrutable workings of Providence.
In its mysterious past it encompasses all the dim origins of life.
Rituals totally mystifying to visitors from other lands.

Synonymscryptic, cryptical, inscrutable, mysterious, mystifying

Similarincomprehensible, inexplicable


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

SamplesThe professor's lectures were so abstruse that students tended to avoid them.
A deep metaphysical theory.
Some recondite problem in historiography.

Synonymsabstruse, recondite



15. deep exhibiting great cunning usually with secrecy

SamplesDeep political machinations.
A deep plot.



English noun: deep

1. deep (time) the central and most intense or profound part

SamplesIn the deep of night.
In the deep of winter.

Broader (hypernym)middle

2. deep (object) a long steep-sided depression in the ocean floor

Synonymsoceanic abyss, trench

Broader (hypernym)depression, natural depression

Instance hyponymAtacama Trench, Bougainville Trench, Japan Trench, Nares Deep

3. deep (object) literary term for an ocean

SamplesDenizens of the deep.

Broader (hypernym)ocean

English adverb: deep

1. deep to a great depth;far down

SamplesDived deeply.
Dug deep.


2. deep to an advanced time

SamplesDeep into the night.
Talked late into the evening.


3. deep to a great distance

SamplesPenetrated deep into enemy territory.
Went deep into the woods.

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