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bump

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verb bump pronunciation in American English /bʌmp/ 
Word Forms
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present tense
I/you/we/theybump
he/she/itbumps
present participlebumping
past tensebumped
past participlebumped
  1. 1
    [transitive] to accidentally hit part of your body against something, making it hurt

    Be careful not to bump your head.

    1. a.
      [intransitive/transitive] to hit against something solid once or many times

      Small boats were bumping against the wooden pier.

  2. 2
    [intransitive] to move with rough up and down movements, especially over a surface that is not even
    bump across/along/over etc.:

    The airplane bumped across a field before finally coming to a stop.

  3. 3
    [transitive] [usually passive] tourism informal to tell someone who has bought a ticket for a plane seat that they cannot fly because the airline has sold too many tickets
    1. a.
      American informal to take someone's job away from them

      He was bumped from the second shift and put on the third.

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any random process, such as a competition in which a name is drawn from a hat

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