Definition of proven in US English:

proven

adjective

  • 1Demonstrated by evidence or argument as true or existing.

    ‘a proven ability to work hard’
    ‘a proven risk to health’
    1. 1.1 (of a new method, system, or treatment) tried and tested.
      ‘a system based on proven technologies’

Pronunciation

proven

/ˈpruvn//ˈpro͞ovn/