American English

Definition of bang noun from the Oxford Advanced American Dictionary



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  1. 1a sudden loud noise The door swung shut with a bang. Suddenly there was a loud bang and a puff of smoke. see also big bang
  2. 2a sudden painful blow on a part of the body a bang on the head
  3. 3bangs [plural] the front part of someone's hair that is cut so that it hangs over their forehead
  4. 4(informal) (computing) the symbol ( ! )
  5. Idioms
    bang for your buck (informal)
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    if you get more, better, etc. bang for your buck, you get better value for the money you spend or the effort you put in to something
    come back/down to earth (with a bang/bump), bring somebody (back) down to earth (with a bang/bump) (informal)
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    to return, or to make someone return, to a normal way of thinking or behaving after a time when they have been very excited, not very practical, etc. see also down-to-earth
      with a bang (informal)
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    1. 1very successfully The party went off with a bang.
    2. 2in a way that everyone notices; with a powerful effect The team won their last four games, ending the season with a bang.
See the Oxford Advanced Learner's Dictionary entry: bang