deep

adjective

UK /diːp/

Word Forms

adjective	deep
comparative	deeper
superlative	deepest

1
going a long way down from the top or the surface
The river is quite deep here.
an area of high hills and deep valleys
Synonyms and related words
Words used to describe depth
bottomless
the bowels of something
come down
1. 1a
  used for saying or asking the distance from the top or surface of something
  How deep is the snow?
  2 metres deep/6 feet deep etc:
  The pond needs to be at least a metre deep.
  Synonyms and related words
  Words used to describe depth
  bottomless
  the bowels of something
  come down
2. 1b
  going a long way into something
  He had a deep cut on his forehead.
  deep inside:
  By this time we were deep inside enemy territory.
  deep in:
  a small cabin deep in the woods
  Synonyms and related words
  Words used to describe depth
  bottomless
  the bowels of something
  come down
2
going a long way back from the front of something
The shelves need to be a bit deeper than that.
Synonyms and related words
Words used to describe depth
bottomless
the bowels of something
come down
3
a deep feeling or emotion is very strong
I do feel a very deep sympathy for them all.
a feeling of deep gratitude
Synonyms and related words
General words used to describe emotions
acutely
affective
basic
4
a deep sound is low
I recognized George’s deep voice on the other end of the phone.
a deep roaring sound
Synonyms and related words
Describing sounds that are low and/or deep
low
bass
hollow
5
a deep colour is dark and strong
a beautiful deep red
Synonyms and related words
General words used to describe colours
ablaze
a riot of something
bleached
6
breathing a lot of air into or out of your body
Take a few deep breaths to calm yourself down.
He looked at Rosie and gave a deep sigh.
Synonyms and related words
Describing or relating to breathing
breathless
bronchial
chesty
7
a deep sleep is one that you do not wake up easily from
She fell into a deep sleep.
Synonyms and related words
Sleepers and describing sleep
broken
deep
dreamless
8
someone who is deep has very serious thoughts, ideas, or feelings
Synonyms and related words
Serious and humourless
serious
humourless
substantial
1. 8a
  something that is deep involves very serious thoughts, ideas, or feelings
  We had a very deep conversation about love and death.
  Synonyms and related words
  Words used to describe thoughts, beliefs and ideas
  abstract
  central
  theoretical
9
it’s not that deep
spoken
a way of saying something is not a big deal, used by young people
It’s really not that deep, miss.
Submitted by:
Shirin from United Kingdom on 05/08/2019
Open Dictionary - August2019

phrases

deep in something

deep in debt

go off the deep end

in deep trouble

in/into deep water

throw someone in at the deep end

deep

adjective

US /dip/

Word Forms

adjective	deep
comparative	deeper
superlative	deepest

1
going a long way down from the top or the surface
The river is pretty deep here.
an area of high hills and deep valleys
Synonyms and related words
Words used to describe depth
bottomless
bottommost
the bowels of something
1. 1a
  used for saying or asking the distance from the top or surface of something
  How deep is the snow?
  2 meters deep/6 feet deep etc.:
  The pond needs to be at least ten feet deep.
  Synonyms and related words
  Words used to describe depth
  bottomless
  bottommost
  the bowels of something
2. 1b
  going a long way into something
  He had a deep cut on his forehead.
  deep inside:
  By this time we were deep inside enemy territory.
  deep in:
  a small cabin deep in the woods
  Synonyms and related words
  Words used to describe depth
  bottomless
  bottommost
  the bowels of something
2
going a long way back from the front of something
The shelves need to be a little deeper than that.
Synonyms and related words
Words used to describe depth
bottomless
bottommost
the bowels of something
3
a deep feeling or emotion is very strong
I do feel a very deep sympathy for them all.
a feeling of deep gratitude
Synonyms and related words
General words used to describe emotions
acutely
affective
basic
4
a deep sound is low
I recognized George’s deep voice on the other end of the phone.
a deep roaring sound
Synonyms and related words
Describing sounds that are low and/or deep
low
bass
hollow
5
a deep color is dark and strong
a beautiful deep red
Synonyms and related words
General words used to describe colors
ablaze
a riot of something
bleached
6
a deep sleep is one that you do not wake up easily from
She fell into a deep sleep.
Synonyms and related words
Sleepers and describing sleep
broken
deep
dreamless
7
breathing a lot of air into or out of your body
Take a few deep breaths to calm yourself down.
He looked at Rosie and gave a deep sigh.
Synonyms and related words
Describing or relating to breathing
breathless
bronchial
chesty
8
someone who is deep has very serious thoughts, ideas, or feelings
Synonyms and related words
Serious and humorless
serious
in earnest
substantial
1. 8a
  something that is deep involves very serious thoughts, ideas, or feelings
  We had a very deep discussion about love and death.
  Synonyms and related words
  Words used to describe thoughts, beliefs and ideas
  deterministic
  abstract
  central
9
it’s not that deep
spoken
a way of saying something is not a big deal, used by young people
It’s really not that deep, miss.
Submitted by:
Shirin from United Kingdom on 05/08/2019
Open Dictionary - August2019

phrases

deep in something

deep in debt

go off at the deep end

in deep trouble

in/into deep water

throw someone in at the deep end

deep

adverb

UK /diːp/

Word Forms

comparative	deeper
superlative	deepest

1
a long way down from the top or the surface
men who work deep under the ground
deep below the ocean’s surface
Synonyms and related words
Words used to describe depth
bottomless
the bowels of something
come down
2
a long way into something
They continued deep into the forest.
Synonyms and related words
Words used to describe depth
bottomless
the bowels of something
come down
3
if people or things are two deep, three deep etc, there are two, three etc rows of them behind or on top of one another
People were standing three deep at the side of the road to watch the procession.
Synonyms and related words
Words used to describe depth
bottomless
the bowels of something
come down

phrases

deep down

deep in/into the night

run/go deep

deep

adverb

US /dip/

Word Forms

comparative	deeper
superlative	deepest

1
a long way into something
They continued deep into the forest.
Synonyms and related words
Words used to describe depth
bottomless
bottommost
the bowels of something
2
a long way down from the top or the surface
men who work deep under the ground
deep below the ocean’s surface
Synonyms and related words
Words used to describe depth
bottomless
bottommost
the bowels of something
3
if people or things are two deep, three deep, etc., there are two, three, etc. rows of them behind or on top of each other
People were standing three deep at the side of the road to watch the parade.
Synonyms and related words
Words used to describe depth
bottomless
bottommost
the bowels of something

phrases

deep down

deep in/into the night

run/go deep

deep ​‌‌‌

it’s not that deep

deep ​‌‌‌

it’s not that deep

deep ​‌‌‌

deep ​‌‌‌

deep

deep

deep

deep