chance

noun
  1. The occurrence and development of events in the absence of any obvious design; the possibility of something happening. noun
    There's a chance of rain tomorrow.
    He took a chance and invested in the new company.
  2. A possibility of something happening, especially something that you want. noun
    She has a good chance of winning the competition.
    Is there any chance of getting tickets for the concert?
  3. An opportunity to do or achieve something. noun
    This job is a great chance for you to advance your career.
    I missed my chance to speak with the manager.
  4. To do something by accident or without intending to. verb
    I chanced upon an old friend in the city.
    She chanced to meet him at the cafe.
  5. Happening by luck or without planning. adjective
    It was a chance meeting that changed his life.
    The chance discovery of the artifact was a breakthrough.