Definition of bullet noun from the Oxford Advanced American Dictionary

  

bullet

 noun
noun
NAmE//ˈbʊlət//
 
 
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  •  a small metal object that is fired from a gun bullet wounds There were bullet holes in the door. He was killed by a bullet in the head. see also magic bullet, plastic bullet, rubber bullet, silver bullet
  • Idioms
    bite the bullet(informal)
     
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    to start to deal with an unpleasant or difficult situation which cannot be avoided I wasn't happy with the way my career was going, so I decided to bite the bullet and look for another job. From the custom of giving soldiers a bullet to bite on during a medical operation without anesthetic.
    See the Oxford Advanced Learner's Dictionary entry: bullet