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unproven - definition and synonyms

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adjective unproven pronunciation in British English /ʌnˈpruːv(ə)n/
  1. not proved to be useful, safe, or capable of doing something

    an unproven treatment

    unproven new players

    1. a.
      not proved to be a fact or true

      an unproven concept

    2. b.
      legal used about something that has not been proved in a court of law

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a start-up … whose value has reached more than one billion US dollars

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an afternoon full of crafts

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