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deep - definition and synonyms

 
 
 
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adjective deep pronunciation in British English /diːp/
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adjectivedeep
comparativedeeper
superlativedeepest
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  1. 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
    1. a.
      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.
    2. b.
      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
  2. 2
    going a long way back from the front of something
    The shelves need to be a bit deeper than that.
  3. 3
    a deep feeling or emotion is very strong
    I do feel a very deep sympathy for them all.
    a feeling of deep gratitude
  4. 4
    a deep sound is low
    I recognized George’s deep voice on the other end of the phone.
    a deep roaring sound
  5. 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.
  6. 7
    a deep sleep is one that you do not wake up easily from
    She fell into a deep sleep.

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