dive - definition and synonyms

noun [countable] 

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  1. 1
    a jump into water with your head first and your arms stretched out in front of you
    1. a.
      a jump into water from a high board, making skilful movements in the air before entering the water
  2. 2
    a quick sudden movement towards the ground from the air

    The plane lost control and went into a dive.

  3. 3
    a sudden fall in the value of something
    take a dive (=fall):

    The share price took a 30% dive last year.

  4. 5
    a sudden movement in a particular direction

    Bond made a dive for the gun lying on the floor.

  5. 6
    informal a bar or club that is dirty, cheap, and unpleasant