- 1[countable] a 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[countable] a sudden painful blow on a part of the body a bang on the head
- 3bangs [plural] (North American English) (British English fringe) the front part of somebody’s hair that is cut so that it hangs over their forehead See related entries: Describing hair
- 4[uncountable] = bhang
- 5[countable] (informal, computing) the symbol ( ! ) Word Origin mid 16th cent.: imitative, perhaps of Scandinavian origin; compare with Old Norse bang
- 1very successfully The party went with a bang.
- 2in a way that everyone notices; with a powerful effect The team won their last four games, ending the season with a bang.
(informal) to return, or to make somebody 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