Language: Old English
Origin: deop


1 adjective
deep1 S2 W1 comparative deeper, superlative deepest

going far down

a) going far down from the top or from the surface [≠ shallow]:
The castle is on an island surrounded by a deep lake.
The swimming pool has a deep end and a shallow end for kids.
We'll take the boat out into deep water where we can dive.
a deep narrow valley
b) you use deep to say what distance something goes down from the top or surface
2 metres/6 feet etc deep
Dig a hole around 12 inches deep.
ankle-deep/waist-deep etc
In places, the snow was waist-deep (=deep enough to reach a person's waist).

going far in

going far in from the outside or from the front edge of something:
a deep wound
She was sitting in a deep leather chair.


serious or severe:
Despite the peace process, there are deep divisions in the community.
The country is in a deep recession.
Evan would be in deep trouble if he was caught.


a deep breath or sigh is one in which you breathe a lot of air in or out:
She stopped and took a deep breath.
Tom gave a deep sigh of relief.


a deep feeling, belief etc is very strong and sincere [= profound]:
May I express my deepest sympathy.
The letters show her deep affection for him.
He has a deep understanding of the environment.


a deep sound is very low:
Her laugh was deep and loud.
I love that deep bass line.


a deep colour is dark and strong [≠ light, pale]:
She gazed at him with wide deep blue eyes.
The berries are a deep red colour.

difficult to understand

important but complicated or difficult to understand:
These problems are too deep for me.
There is a deep issue of principle involved.


if someone is in a deep sleep, it is difficult to wake them:
He lay down and fell into a deep sleep.

deep in thought/conversation etc

thinking so hard or paying attention to something so much that you do not notice anything else that is happening around you

deep in debt

owing a lot of money

a deep impression

a strong effect or influence that remains for a long time:


a deep person is serious and intelligent, but is hard to know well:
Henry has always been a deep one. He keeps his views to himself.

be in deep shit

spoken not polite to be in a bad situation because of something you have done

be in deep water

to be in trouble or in a difficult or serious situation:
The company is in deep water over their refusal to reduce prices.

ball games

a deep ball is hit, thrown, or kicked to a far part of the sports field

jump/be thrown in at the deep end

to choose to do or be made to do a very difficult job without having prepared for it:
She decided to jump in at the deep end, buy a farm, and teach herself.

go off at the deep end

informal to become angry suddenly and violently, usually when there is not a good reason
WORD FOCUS: colour WORD FOCUS: colour
a particular kind of colour: shade, hint, hue

words for describing dark colours: dark, deep, rich

words for describing light colours: light, pale, soft, pastel

words for describing bright colours: bright, brilliant, vivid, garish disapproving, gaudy disapproving

having a lot of colours: colourful, multicoloured British English/multicolored American English

See also

Dictionary results for "deep"
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